Cita APA (7th ed.)
Papalia, D. E., Olds, S. W., & Feldman, R. D. (1998). Human development (7th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Papalia, Diane E., Sally Wendkos Olds, i Ruth Duskin Feldman. Human Development. 7th ed. Boston, Mass.: McGraw-Hill, 1998.
Cita MLA (9th ed.)
Papalia, Diane E., et al. Human Development. 7th ed. McGraw-Hill, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.