Style de citation APA (7e éd.)

Ellwood, C. A. (1932). Social problems, a sociology. Cincinnati [etc.] American book company.

Style de citation Chicago (17e éd.)

Ellwood, Charles Abram. Social Problems, a Sociology. New York: Cincinnati [etc.] American book company, 1932.

Style de citation MLA (9e éd.)

Ellwood, Charles Abram. Social Problems, a Sociology. Cincinnati [etc.] American book company, 1932.