Cita APA (7th ed.)

Ripple, R. E., Biehler, R. F., & Jaquish, G. A. (1982). Human development. Houghton Mifflin.

Cita Chicago (17th ed.)

Ripple, Richard E., Robert F. Biehler, i Gail A. Jaquish. Human Development. Boston: Houghton Mifflin, 1982.

Cita MLA (9th ed.)

Ripple, Richard E., et al. Human Development. Houghton Mifflin, 1982.