APA (7th ed.) Zitazioa

Sperling, A. P. (1982). Psychology made simple. Heinemann Proffessional Publishing.

Chicago Style (17th ed.) Zitazioa

Sperling, Abraham P. Psychology Made Simple. Oxford: Heinemann Proffessional Publishing, 1982.

MLA (9th ed.) Zitazioa

Sperling, Abraham P. Psychology Made Simple. Heinemann Proffessional Publishing, 1982.