Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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