I use EndNote X8 and Microsoft Word mac
I am currently using in bracket style for in citation text : [1,2,3] which later is linked in my bibliography as
In some cases, multiple references somehow accumulate in one in-text-citation and just appear in the bibliography all together as one. Ej.
in text citation: 
in bibliography as:
- reference 1;reference 2;reference 3
Is there a way of fixing this problem of multiple references in one in-text-citation?