Cita APA (7a ed.)

Kail, R. V., & Cavanaugh, J. C. (2019). Human development: A life-span view (8th ed.). Cengage.

Cita Chicago Style (17a ed.)

Kail, Robert V., y John C. Cavanaugh. Human Development: A Life-span View. 8th ed. Boston, MA: Cengage, 2019.

Cita MLA (9a ed.)

Kail, Robert V., y John C. Cavanaugh. Human Development: A Life-span View. 8th ed. Cengage, 2019.