CITSEPARATOR specifies a string which separates multiple citations like in (Jones, 2000; James, 2001).
<CITSTYLE INTEXTSEQUENCE="AUTHORDATE"> <CITSEPARATOR>;</CITSEPARATOR> <RANGESEPARATOR>-</RANGESEPARATOR> <INTEXTDEF> <REFNUMBER> <PRECEEDING>[</PRECEEDING> <FOLLOWING>]<FOLLOWING> </REFNUMBER> </INTEXTDEF> </CITSTYLE>