Cita APA (7th ed.)

Kail, R. V., & Cavanaugh, J. C. (2010). Human development: A life-span view (Fifth edition.). Wadsworth/Cengage Learning.

Cita Chicago (17th ed.)

Kail, Robert V., i John C. Cavanaugh. Human Development: A Life-span View. Fifth edition. Belmont, CA: Wadsworth/Cengage Learning, 2010.

Cita MLA (9th ed.)

Kail, Robert V., i John C. Cavanaugh. Human Development: A Life-span View. Fifth edition. Wadsworth/Cengage Learning, 2010.