APA (7th ed.) Zitazioa

Youdin, R. (2016). Psychology of aging 101. Springer.

Chicago Style (17th ed.) Zitazioa

Youdin, Robert. Psychology of Aging 101. New York: Springer, 2016.

MLA (9th ed.) Zitazioa

Youdin, Robert. Psychology of Aging 101. Springer, 2016.