APA (7th ed.) Citation

Kotler, P., & Armstrong, G. (1987). Marketing: An introduction. Prentice Hall Inc.

Chicago Style (17th ed.) Citation

Kotler, Philip, and Gary Armstrong. Marketing: An Introduction. New Jersey: Prentice Hall Inc, 1987.

MLA (8th ed.) Citation

Kotler, Philip, and Gary Armstrong. Marketing: An Introduction. Prentice Hall Inc, 1987.