APA Style

Kotler, P., Keller, K, L. (2015). Kotler & Keller -- Marketing Management, 15th Global Ed (15th ed.). : pearson.

MLA Style

Kotler, Philip., Keller, Kevin, Lane. "Kotler & Keller -- Marketing Management, 15th Global Ed". 15th ed. : pearson, 2015. Text.