APA (7th ed.) Citation

Kotler, P., & Armstrong, G. (1997). Marketing: An introduction (Fourth edition.). Prentice Hall International.

Chicago Style (17th ed.) Citation

Kotler, Philip, and Gary Armstrong. Marketing: An Introduction. Fourth edition. Upper Saddle River, New Jersey: Prentice Hall International, 1997.

MLA (9th ed.) Citation

Kotler, Philip, and Gary Armstrong. Marketing: An Introduction. Fourth edition. Prentice Hall International, 1997.