Cita APA (7th ed.)

Papalia, D. E., Feldman, R. D., Gross, D., & Olds, S. W. (2004). Human development (Ninth edition.). McGraw-Hill.

Cita Chicago (17th ed.)

Papalia, Diane E., Ruth Duskin Feldman, Dana Gross, i Sally Wendkos Olds. Human Development. Ninth edition. Boston: McGraw-Hill, 2004.

Cita MLA (9th ed.)

Papalia, Diane E., et al. Human Development. Ninth edition. McGraw-Hill, 2004.