APA (7th ed.) Citation

Mullins, N. C., & Mullins, C. J. (1973). Theories and theory groups in contemporary American sociology. Harper & Row.

Chicago Style (17th ed.) Citation

Mullins, Nicholas C., and Carolyn J. Mullins. Theories and Theory Groups in Contemporary American Sociology. New York: Harper & Row, 1973.

MLA (9th ed.) Citation

Mullins, Nicholas C., and Carolyn J. Mullins. Theories and Theory Groups in Contemporary American Sociology. Harper & Row, 1973.