Cita APA (7th ed.)

Papalia, D. E., & Olds, S. W. (1978). Human development. McGraw-Hill.

Cita Chicago (17th ed.)

Papalia, Diane E., i Sally Wendkos Olds. Human Development. New York: McGraw-Hill, 1978.

Cita MLA (8th ed.)

Papalia, Diane E., i Sally Wendkos Olds. Human Development. McGraw-Hill, 1978.