APA (7th ed.) Citation

Duffy, K. G., & Wong, F. Y. (2000). Community psychology (2nd ed.). Allyn and Bacon.

Chicago Style (17th ed.) Citation

Duffy, Karen Grover, and Frank Y. Wong. Community Psychology. 2nd ed. Boston: Allyn and Bacon, 2000.

MLA (9th ed.) Citation

Duffy, Karen Grover, and Frank Y. Wong. Community Psychology. 2nd ed. Allyn and Bacon, 2000.