APA (7th ed.) Citation

Kotler, P., & Armstrong, G. (1999). Principles of marketing (Eight edition.). Prentice Hall, Inc.

Chicago Style (17th ed.) Citation

Kotler, Philip, and Gary Armstrong. Principles of Marketing. Eight edition. Upper Saddle River, N.J: Prentice Hall, Inc, 1999.

MLA (9th ed.) Citation

Kotler, Philip, and Gary Armstrong. Principles of Marketing. Eight edition. Prentice Hall, Inc, 1999.