Cita APA (7th ed.)
Papalia, D. E., Olds, S. W., & Feldman, R. D. (2002). A child's world: Infancy through adolescence (9th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Papalia, Diane E., Sally Wendkos Olds, i Ruth Duskin Feldman. A Child's World: Infancy Through Adolescence. 9th ed. Boston: McGraw-Hill, 2002.
Cita MLA (9th ed.)
Papalia, Diane E., et al. A Child's World: Infancy Through Adolescence. 9th ed. McGraw-Hill, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.