APA (7th ed.) Citation

Green, M., & Piel, J. A. (2002). Theories of human development: A comparative approach. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Green, Michael, and John A. Piel. Theories of Human Development: A Comparative Approach. Boston, MA: Allyn and Bacon, 2002.

MLA (9th ed.) Citation

Green, Michael, and John A. Piel. Theories of Human Development: A Comparative Approach. Allyn and Bacon, 2002.