APA stil citiranja

Duijker, H. C. J., & Jacobson, E. H. (1966). International directory of psychologists: International directory of psychologists (2nd ed.). Assen: Royal vangorcum : Prakke.

Chicago stil citiranja

Duijker, Hubert C. J., and Eugene H. Jacobson. International directory of psychologists: International directory of psychologists. 2nd ed. Assen: Royal vangorcum : Prakke, 1966.

MLA stil citiranja

Duijker, Hubert C. J., and Eugene H. Jacobson. International directory of psychologists: International directory of psychologists. 2nd ed. Assen: Royal vangorcum : Prakke, 1966.