Cita APA (7a ed.)

Cooley, C. H., Angell, R. C., & Carr, L. J. (1933). Introductory sociology. C. Scribner's sons.

Cita Chicago Style (17a ed.)

Cooley, Charles Horton, Robert Cooley Angell, y Lowell Juilliard Carr. Introductory Sociology. New York ; Chicago [etc.]: C. Scribner's sons, 1933.

Cita MLA (9a ed.)

Cooley, Charles Horton, et al. Introductory Sociology. C. Scribner's sons, 1933.