diff --git a/acta-pharmaceutica.csl b/acta-pharmaceutica.csl
index 65f64dff5b..25d0c5e589 100644
--- a/acta-pharmaceutica.csl
+++ b/acta-pharmaceutica.csl
@@ -1,10 +1,11 @@
 <?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="en-US">
-<!-- This style was edited with the Visual CSL Editor (http://steveridout.com/csl/visualEditor/) -->
+<!-- This style was initially created with the Visual CSL Editor (http://steveridout.com/csl/visualEditor/) -->
   <info>
     <title>Acta Pharmaceutica</title>
     <id>http://www.zotero.org/styles/acta-pharmaceutica</id>
     <link href="http://www.zotero.org/styles/acta-pharmaceutica" rel="self"/>
+    <link href="http://www.zotero.org/styles/apa" rel="template"/>
     <link href="http://public.carnet.hr/acphee/Inst.html" rel="documentation"/>
     <author>
       <name>Charles Parnot</name>
@@ -12,7 +13,7 @@
       <uri>http://twitter.com/cparnot</uri>
     </author>
     <category field="biology"/>
-    <category citation-format="author-date"/>
+    <category citation-format="numeric"/>
     <updated>2012-07-23T12:00:00+00:00</updated>
     <rights>This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License: http://creativecommons.org/licenses/by-sa/3.0/</rights>
   </info>
@@ -284,7 +285,7 @@
     <choose>
       <if type="article-journal article-magazine" match="any">
         <group delimiter=" " prefix=" ">
-          <text variable="volume" form="long" font-style="normal"/>
+          <text variable="volume" form="long" font-weight="bold"/>
           <text macro="issued"/>
           <text variable="page"/>
         </group>
@@ -345,7 +346,7 @@
           <choose>
             <if variable="container-title">
               <text variable="volume"/>
-              <text variable="container-title"/>
+              <text variable="container-title" font-style="italic"/>
               <group delimiter=" ">
                 <text term="section" form="symbol"/>
                 <text variable="section"/>
@@ -371,17 +372,12 @@
       </else>
     </choose>
   </macro>
-  <citation et-al-min="6" et-al-use-first="1" et-al-subsequent-min="3" et-al-subsequent-use-first="1" disambiguate-add-year-suffix="true" disambiguate-add-names="true" disambiguate-add-givenname="true" collapse="year" givenname-disambiguation-rule="primary-name">
+  <citation collapse="citation-number">
     <sort>
-      <key macro="author"/>
-      <key macro="issued-sort"/>
+      <key variable="citation-number"/>
     </sort>
-    <layout prefix="(" suffix=")" delimiter="; ">
-      <group delimiter=", ">
-        <text macro="author-short"/>
-        <text macro="issued-year"/>
-        <text macro="citation-locator"/>
-      </group>
+    <layout prefix="(" suffix=")" delimiter=",">
+      <text variable="citation-number"/>
     </layout>
   </citation>
   <bibliography hanging-indent="true" et-al-min="8" et-al-use-first="7" entry-spacing="0" line-spacing="2">
@@ -411,7 +407,7 @@
           <text macro="publisher"/>
         </group>
       </group>
-      <text macro="access" prefix=" "/>
+      <text macro="access" prefix="; "/>
     </layout>
   </bibliography>
 </style>