APA (7th ed.) Citation

Kotler, P., & Armstrong, G. (2006). Principles of marketing (11th edition.). Pearson Education.

Chicago Style (17th ed.) Citation

Kotler, Philip, and Gary Armstrong. Principles of Marketing. 11th edition. Upper Saddle River, NJ: Pearson Education, 2006.

MLA (8th ed.) Citation

Kotler, Philip, and Gary Armstrong. Principles of Marketing. 11th edition. Pearson Education, 2006.