APA (7th ed.) Citation

Kotler, P., & Armstrong, G. Principles of marketing (5th European ed.).

Chicago Style (17th ed.) Citation

Kotler, Philip, and Gary Armstrong. Principles of Marketing. 5th European ed.

MLA (8th ed.) Citation

Kotler, Philip, and Gary Armstrong. Principles of Marketing. 5th European ed.

Warning: These citations may not always be 100% accurate.