APA: 
Albertson, Michael O., Pach, János, Young, Michael E. (2011). Disjoint homometric sets in graphs. 
Ars mathematica contemporanea, letnik 4, številka 1, str. 1-4. 
URN:NBN:SI:DOC-G44RD9FV from http://www.dlib.si
 
                           MLA: 
Albertson, Michael O., Pach, János, Young, Michael E.. "Disjoint homometric sets in graphs." 
Ars mathematica contemporanea letnik 4. številka 1 (2011) str. 1-4.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-G44RD9FV>