APA (7th ed.) Citation

Kotler, P., & Armstrong, G. (2008). Principles of marketing (12th ed.). Pearson/Prentice Hall.

Chicago Style (17th ed.) Citation

Kotler, Philip, and Gary Armstrong. Principles of Marketing. 12th ed. Upper Saddle River (New Jersey): Pearson/Prentice Hall, 2008.

MLA (9th ed.) Citation

Kotler, Philip, and Gary Armstrong. Principles of Marketing. 12th ed. Pearson/Prentice Hall, 2008.