APA (7th ed.) Citation

Cohen, W. A. (1995). The marketing plan. John Willey & Sons, Inc.

Chicago Style (17th ed.) Citation

Cohen, William A. The Marketing Plan. New York: John Willey & Sons, Inc, 1995.

MLA (9th ed.) Citation

Cohen, William A. The Marketing Plan. John Willey & Sons, Inc, 1995.