APA stil citiranja

Bratko, D. (2010). The genetics of general knowledge: The genetics of general knowledge: a twin study from Croatia. Personality and individual differences, p. 8.

Chicago stil citiranja

Bratko, Denis. "The genetics of general knowledge: The genetics of general knowledge: a twin study from Croatia." 2010: 8.

MLA stil citiranja

Bratko, Denis. "The genetics of general knowledge: The genetics of general knowledge: a twin study from Croatia." 2010: 8.