APA (7th ed.) Citation

Kotler, P., & Armstrong, G. (2006). Principles of marketing (Eleventh Edition.). Pearson Education.

Chicago Style (17th ed.) Citation

Kotler, Philip, and Gary Armstrong. Principles of Marketing. Eleventh Edition. Essex, England: Pearson Education, 2006.

MLA (9th ed.) Citation

Kotler, Philip, and Gary Armstrong. Principles of Marketing. Eleventh Edition. Pearson Education, 2006.