Cita APA (7a ed.)

Papalia, D. E., Olds, S. W., & Feldman, R. D. (2004). A child's world: Infancy through adolescence (Updated ninth edition.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Papalia, Diane E., Sally Wendkos Olds, y Ruth Duskin Feldman. A Child's World: Infancy Through Adolescence. Updated ninth edition. New York, NY: McGraw-Hill, 2004.

Cita MLA (8a ed.)

Papalia, Diane E., et al. A Child's World: Infancy Through Adolescence. Updated ninth edition. McGraw-Hill, 2004.