APA Style

Kotler, Philip, Armstrong, Gary. (2008). Principles of Marketing (12th). New Jersey: Pearson Education International.

Chicago Style

Kotler, Philip, Armstrong, Gary. Principles of Marketing. 12th New Jersey: Pearson Education International, 2008. Text.

MLA Style

Kotler, Philip, Armstrong, Gary. Principles of Marketing. 12th New Jersey: Pearson Education International, 2008. Text.

Turabian Style

Kotler, Philip, Armstrong, Gary. Principles of Marketing. 12th New Jersey: Pearson Education International, 2008. Print.