Cita APA (7a ed.)

Luther, W. M. (2011). The marketing plan: How to prepare and implement it (4th ed.). AMACOM.

Cita Chicago Style (17a ed.)

Luther, William M. The Marketing Plan: How to Prepare and Implement It. 4th ed. New York: AMACOM, 2011.

Cita MLA (8a ed.)

Luther, William M. The Marketing Plan: How to Prepare and Implement It. 4th ed. AMACOM, 2011.