APA (7th ed.) Zitazioa

Hoffmann, L. (1988). Developmental psychology today (5th. ed.). Random House.

Chicago Style (17th ed.) Zitazioa

Hoffmann, Lois. Developmental Psychology Today. 5th. ed. San Diego: Random House, 1988.

MLA (9th ed.) Zitazioa

Hoffmann, Lois. Developmental Psychology Today. 5th. ed. Random House, 1988.