Cita APA (7a ed.)

Roucek, J. S., & Warren, R. L. (1951). Sociology: An introduction. Littlefield, Adams & Co..

Cita Chicago Style (17a ed.)

Roucek, Joseph S., y Roland L. Warren. Sociology: An Introduction. Iowa: Littlefield, Adams & Co., 1951.

Cita MLA (8a ed.)

Roucek, Joseph S., y Roland L. Warren. Sociology: An Introduction. Littlefield, Adams & Co., 1951.