APA Citation

Kotler, P. 1., Opresnik, M. O., & Armstrong, G. (2021). Principles of marketing (18th edition.). Harlow, England: Pearson.

Chicago Style Citation

Kotler, Philip 1931-, Marc O. Opresnik, and Gary Armstrong. Principles of Marketing. 18th edition. Harlow, England: Pearson, 2021.

MLA Citation

Kotler, Philip 1931-, Marc O. Opresnik, and Gary Armstrong. Principles of Marketing. 18th edition. Harlow, England: Pearson, 2021.

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