APA (7th ed.) Citation

Berkowitz, Kerin, & Rudelius. (1989). Marketing (2nd ed.). Irwin.

Chicago Style (17th ed.) Citation

Berkowitz, Kerin, and Rudelius. Marketing. 2nd ed. Boston, MA: Irwin, 1989.

MLA (8th ed.) Citation

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