APA (7th ed.) Citation

Copeland, M. T. (1920). Marketing problems. A. W. Shaw company.

Chicago Style (17th ed.) Citation

Copeland, Melvin Thomas. Marketing Problems. New York, Chicago [etc.]: A. W. Shaw company, 1920.

MLA (8th ed.) Citation

Copeland, Melvin Thomas. Marketing Problems. A. W. Shaw company, 1920.