APA (7th ed.) Citation

Berkowitz, E. N., Hartley,Steven W, & Rudelius,William. (1997). Marketing (5th ed.). Irwin.

Chicago Style (17th ed.) Citation

Berkowitz, Eric N., Hartley,Steven W, and Rudelius,William. Marketing. 5th ed. Chicago, Ill.: Irwin, 1997.

MLA (8th ed.) Citation

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