APA Style

Kotler, Philip, Armstrong, Gary. (2012). Principles of Marketing (14th). Boston: Pearson Addison Wesley.

Chicago Style

Kotler, Philip, Armstrong, Gary. Principles of Marketing. 14th Boston: Pearson Addison Wesley, 2012. Text.

MLA Style

Kotler, Philip, Armstrong, Gary. Principles of Marketing. 14th Boston: Pearson Addison Wesley, 2012. Text.

Turabian Style

Kotler, Philip, Armstrong, Gary. Principles of Marketing. 14th Boston: Pearson Addison Wesley, 2012. Print.