Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

Kotler, Philip, et al. Principles of Marketing. 18th edition. Pearson, 2021.