APA aipamena

Postman, L. J., & Egan, J. P. (1949). Experimental psychology: An introduction. Harper.

Chicago Style aipamena

Postman, Leo Joseph, and James P. Egan. Experimental Psychology: An Introduction. New York: Harper, 1949.

MLA aipamena

Postman, Leo Joseph, and James P. Egan. Experimental Psychology: An Introduction. Harper, 1949.