APA (7th ed.) Citation

Armstrong, G., & Kotler, P. (2015). Marketing: An introduction (Twelfth edition.). Pearson.

Chicago Style (17th ed.) Citation

Armstrong, Gary, and Philip Kotler. Marketing: An Introduction. Twelfth edition. Boston: Pearson, 2015.

MLA (9th ed.) Citation

Armstrong, Gary, and Philip Kotler. Marketing: An Introduction. Twelfth edition. Pearson, 2015.