diff --git a/institut-de-recherche-pour-le-developpement.csl b/institut-de-recherche-pour-le-developpement.csl
new file mode 100644
index 0000000000..f20b8f30fc
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+++ b/institut-de-recherche-pour-le-developpement.csl
@@ -0,0 +1,246 @@
+<?xml version="1.0" encoding="utf-8"?>
+<style xmlns="http://purl.org/net/xbiblio/csl" class="in-text" version="1.0" demote-non-dropping-particle="never" default-locale="fr-FR">
+  <info>
+    <title>Institut de recherche pour le développement (Français)</title>
+    <title-short>IRD</title-short>
+    <id>http://www.zotero.org/styles/ird</id>
+    <author>
+      <name>Romain COSTA</name>
+      <email>romain.costa@ird.fr</email>
+    </author>
+    <category citation-format="author-date"/>
+    <category field="biology"/>
+    <category field="zoology"/>
+    <category field="geography"/>
+    <category field="anthropology"/>
+    <category field="sociology"/>
+    <category field="history"/>
+    <category field="geology"/>
+    <category field="humanities"/>
+    <category field="linguistics"/>
+    <category field="political_science"/>
+    <category field="science"/>
+    <category field="social_science"/>
+    <updated>2025-01-16T15:50:30+00:00</updated>
+    <rights license="http://creativecommons.org/licenses/by-sa/4.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 License</rights>
+  </info>
+  <locale xml:lang="fr">
+    <terms>
+      <term name="editor" form="short">
+        <single>dir.</single>
+        <multiple>dir.</multiple>
+      </term>
+    </terms>
+</locale>
+  <macro name="container">
+    <choose>
+      <if type="chapter paper-conference" match="any">
+        <text term="in" font-style="italic"  text-case="capitalize-first" prefix=". " suffix=" "/>
+        <names variable="editor translator" delimiter=", " suffix=" : ">
+          <name name-as-sort-order="all" sort-separator=", " initialize-with="." delimiter=", " delimiter-precedes-last="always">
+            <name-part name="family" font-variant="small-caps"/>
+          </name>
+          <label form="short" text-case="capitalize-first" prefix=" (" suffix=")"/>
+        </names>
+        <group delimiter=", ">
+          <text variable="container-title" text-case="title" font-style="italic"/>
+          <text variable="collection-title" text-case="title"/>
+        </group>
+      </if>
+      <else-if type="bill book graphic legal_case legislation motion_picture report song" match="any">
+        <group prefix=". " delimiter=", ">
+          <text variable="container-title"/>
+        </group>
+      </else-if>
+      <else>
+        <group prefix=". " delimiter=", ">
+          <text variable="container-title" form="short" font-style="italic"/>
+        </group>
+      </else>
+    </choose>
+  </macro>
+  <macro name="author">
+    <names variable="author">
+      <name name-as-sort-order="all" sort-separator=" " initialize-with="." delimiter=", " delimiter-precedes-last="always">
+        <name-part name="family" font-variant="small-caps"/>
+      </name>
+      <label form="short" prefix=" (" suffix=")" text-case="capitalize-first"/>
+      <substitute>
+        <names variable="editor"/>
+        <names variable="translator"/>
+        <text macro="title"/>
+      </substitute>
+    </names>
+  </macro>
+  <macro name="author-short">
+    <names variable="author">
+      <name form="short" and="symbol" delimiter=", " initialize-with=". ">
+        <name-part name="family" font-variant="small-caps"/>
+      </name>
+      <et-al font-style="italic"/>
+      <substitute>
+        <names variable="editor"/>
+        <names variable="translator"/>
+        <choose>
+          <if type="bill book graphic legal_case legislation motion_picture report song" match="any">
+            <text variable="title" form="short" font-style="italic"/>
+          </if>
+          <else>
+            <text variable="title" form="short" quotes="true"/>
+          </else>
+        </choose>
+      </substitute>
+    </names>
+  </macro>
+  <macro name="access">
+    <choose>
+      <if variable="DOI">
+        <text variable="DOI" prefix="https://doi.org/"/>
+      </if>
+      <else-if type="webpage post-weblog" match="any">
+        <group delimiter=" ">
+          <text value="URL"/>
+          <text variable="URL"/>
+          <group prefix="(" suffix=").">
+            <text term="accessed" suffix=" "/>
+            <date variable="accessed">
+              <date-part name="month" form="numeric" suffix="."/>
+              <date-part name="day" suffix="."/>
+              <date-part name="year" form="short"/>
+            </date>
+          </group>
+        </group>
+      </else-if>
+    </choose>
+  </macro>
+  <macro name="title">
+    <choose>
+      <if type="report thesis" match="any">
+        <text variable="title" font-style="italic"/>
+        <group prefix=" (" suffix=")" delimiter=" ">
+          <text variable="genre"/>
+          <text variable="number" prefix="No. "/>
+        </group>
+      </if>
+      <else-if type="chapter" match="any">
+          <text variable="title" prefix="&#171; " suffix=" &#187;"/>
+      </else-if>
+      <else-if type="bill book graphic legal_case legislation motion_picture report song speech" match="any">
+        <text variable="title" font-style="italic"/>
+        <text macro="edition" prefix=", "/>
+      </else-if>
+      <else-if type="webpage">
+        <text variable="title"/>
+        <text value="WWW Document" prefix=" [" suffix="]"/>
+      </else-if>
+      <else>
+        <text variable="title"/>
+      </else>
+    </choose>
+  </macro>
+  <macro name="publisher">
+    <group delimiter=", ">
+      <text variable="publisher-place"/>
+      <text variable="publisher"/>
+      <text variable="collection-title" prefix="coll. "/>
+    </group>
+  </macro>
+  <macro name="event">
+    <choose>
+      <if variable="event">
+        <text term="presented at" text-case="capitalize-first" suffix=" "/>
+        <text variable="event"/>
+      </if>
+    </choose>
+  </macro>
+  <macro name="issued">
+    <choose>
+      <if variable="issued">
+        <date variable="issued">
+          <date-part name="year"/>
+        </date>
+      </if>
+      <else>
+        <text term="no date" form="short"/>
+      </else>
+    </choose>
+  </macro>
+  <macro name="edition">
+    <group delimiter=" ">
+      <choose>
+        <if is-numeric="edition">
+          <number variable="edition" form="ordinal"/>
+        </if>
+        <else>
+          <text variable="edition" suffix="."/>
+        </else>
+      </choose>
+      <text value="ed"/>
+    </group>
+  </macro>
+  <macro name="locators">
+    <choose>
+      <if type="article-journal article-magazine article-newspaper" match="any">
+        <group prefix=" " delimiter=" ">
+          <group>
+            <text variable="volume" prefix=" "/>
+            <text variable="issue" prefix=" (" suffix=")"/>
+          </group>
+          <text variable="page" prefix=": "/>
+        </group>
+      </if>
+      <else-if type="bill book graphic legal_case legislation motion_picture report song thesis" match="any">
+        <group delimiter=", " prefix=". ">
+          <text macro="event"/>
+          <text macro="publisher"/>
+        </group>
+      </else-if>
+      <else-if type="chapter paper-conference" match="any">
+        <group delimiter=" " prefix=". ">
+          <text macro="event"/>
+          <text macro="publisher"/>
+          <group>
+            <text variable="page" prefix=" : "/>
+          </group>
+        </group>
+      </else-if>
+      <else-if type="patent">
+        <text variable="number" prefix=". "/>
+      </else-if>
+    </choose>
+  </macro>
+  <citation et-al-min="3" et-al-use-first="1" disambiguate-add-givenname="true" disambiguate-add-year-suffix="true" collapse="year" cite-group-delimiter=", ">
+    <sort>
+      <key macro="author"/>
+      <key macro="issued" sort="descending"/>
+    </sort>
+    <layout prefix="(" suffix=")" delimiter=" ; ">
+      <group delimiter=", ">
+        <text macro="author-short"/>
+        <text macro="issued"/>
+        <group delimiter=" ">
+          <label variable="locator" form="short"/>
+          <text variable="locator"/>
+        </group>
+      </group>
+    </layout>
+  </citation>
+  <bibliography hanging-indent="true" entry-spacing="0" line-spacing="1">
+    <sort>
+      <key macro="author"/>
+      <key macro="issued" sort="descending"/>
+    </sort>
+    <layout>
+      <group suffix=".">
+        <text macro="author" suffix=""/>
+        <text macro="issued" prefix=", " suffix=" &#8211; "/>
+        <group prefix=" ">
+          <text macro="title"/>
+          <text macro="container"/>
+          <text macro="locators"/>
+        </group>
+      </group>
+      <text macro="access" prefix=". "/>
+    </layout>
+  </bibliography>
+</style>