Cita APA (7th ed.)

Shaffer, D. R. (2005). Social and personality development (Fifth edition.). Wadsworth/Thomson Learning.

Cita Chicago (17th ed.)

Shaffer, David R. Social and Personality Development. Fifth edition. Australia ; Belmont, CA: Wadsworth/Thomson Learning, 2005.

Cita MLA (8th ed.)

Shaffer, David R. Social and Personality Development. Fifth edition. Wadsworth/Thomson Learning, 2005.