APA Style

Kotler, Philip, Armstrong, Gary. (2011). Marketing : an introduction . Boston: Pearson.

Chicago Style

Kotler, Philip, Armstrong, Gary. Marketing : an introduction. Boston: Pearson, 2011. Text.

MLA Style

Kotler, Philip, Armstrong, Gary. Marketing : an introduction. Boston: Pearson, 2011. Text.

Turabian Style

Kotler, Philip, Armstrong, Gary. Marketing : an introduction. Boston: Pearson, 2011. Print.