Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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