APA (7th ed.) Citation

Kotler, P., & Armstrong, G. (2001). Principles of Marketing (13th ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Kotler, Philip, and Gary Armstrong. Principles of Marketing. 13th ed. Upper Saddle River, New Jersey: Prentice Hall, 2001.

MLA (9th ed.) Citation

Kotler, Philip, and Gary Armstrong. Principles of Marketing. 13th ed. Prentice Hall, 2001.