APA (7th ed.) Citation

Ellwood, C. A. (1924). Sociology and modern social problems (New ed.-rev.). American book company.

Chicago Style (17th ed.) Citation

Ellwood, Charles A. Sociology and Modern Social Problems. New ed.-rev. New York, Cincinnati [etc.]: American book company, 1924.

MLA (9th ed.) Citation

Ellwood, Charles A. Sociology and Modern Social Problems. New ed.-rev. American book company, 1924.