APA Citation

Kotler, P., Armstrong, G., & Opresmik, M. O. (2021). Principles of marketing (18th ed.). Harlow, England: Pearson Education Limited.

Chicago Style Citation

Kotler, Philip, Gary Armstrong, and Marc Oliver Opresmik. Principles of Marketing. 18th ed. Harlow, England: Pearson Education Limited, 2021.

MLA Citation

Kotler, Philip, Gary Armstrong, and Marc Oliver Opresmik. Principles of Marketing. 18th ed. Harlow, England: Pearson Education Limited, 2021.

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