APA Citation

Kotler, P., & Armstrong. (2001). Principles of marketing (9th ed.). New Jersey: Prentice Hall.

Chicago Style Citation

Kotler, Philip, and Armstrong. Principles of Marketing. 9th ed. New Jersey: Prentice Hall, 2001.

MLA Citation

Kotler, Philip, and Armstrong. Principles of Marketing. 9th ed. New Jersey: Prentice Hall, 2001.

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