APA Style

Kotler, Philip, Armstrong, Gary. (2014). Principles of marketing (15). New York: Pearson.

Chicago Style

Kotler, Philip, Armstrong, Gary. Principles of marketing. 15 New York: Pearson, 2014. Book.

MLA Style

Kotler, Philip, Armstrong, Gary. Principles of marketing. 15 New York: Pearson, 2014. Book.

Turabian Style

Kotler, Philip, Armstrong, Gary. Principles of marketing. 15 New York: Pearson, 2014. Book.