diff --git a/apa.csl b/apa.csl
index e4985d1520..f9449f3ce3 100644
--- a/apa.csl
+++ b/apa.csl
@@ -352,7 +352,14 @@
   </macro>
   <macro name="citation-locator">
     <group>
-      <label variable="locator" form="short"/>
+      <choose>
+	<if locator="chapter">
+	  <label variable="locator" form="long" text-case="capitalize-first"/>
+	</if>
+	<else>
+	  <label variable="locator" form="short"/>
+	</else>    
+      </choose>      
       <text variable="locator" prefix=" "/>
     </group>
   </macro>