Cita APA (7a ed.)

Berkowitz, E. N., Kerin, R. A., & Hartley, S. W. (1997). Marketing (5th ed.). Irwin.

Cita Chicago Style (17a ed.)

Berkowitz, Eric N., Roger A. Kerin, y Steven W. Hartley. Marketing. 5th ed. Chicago: Irwin, 1997.

Cita MLA (9a ed.)

Berkowitz, Eric N., et al. Marketing. 5th ed. Irwin, 1997.