Cita APA (7th ed.)
Dunlap, K., & Yerkes, R. M. (1922). The journal of comparative psychology.
Cita Chicago (17th ed.)
Dunlap, Knight, i Robert M. Yerkes. The Journal of Comparative Psychology. Baltimore, 1922.
Cita MLA (9th ed.)
Dunlap, Knight, i Robert M. Yerkes. The Journal of Comparative Psychology. 1922.
Atenció: Aquestes cites poden no estar 100% correctes.