Cita APA (7th ed.)
Papalia, D. E., Olds, S. W., Feldman, R. D., & Gross, D. L. (2001). Human development (8th ed.). McGraw Hill.
Cita Chicago (17th ed.)
Papalia, Diane E., Sally Wendkos Olds, Ruth Duskin Feldman, i Dana Lynn Gross. Human Development. 8th ed. Boston: McGraw Hill, 2001.
Cita MLA (9th ed.)
Papalia, Diane E., et al. Human Development. 8th ed. McGraw Hill, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.