APA Edition Citation

Berkowitz, E. N., Kerin, R. A., & Rudelius, W. (1989). Marketing (2nd ed.). Irwin.

Chicago Edition Citation

Berkowitz, Eric N., Roger A. Kerin, and William Rudelius. Marketing. 2nd ed. Boston: Irwin, 1989.

MLA Edition Citation

Berkowitz, Eric N., et al. Marketing. 2nd ed. Irwin, 1989.