APA Style

Kotler, Philip, Armstrong, Gary. (2006). Principles of Marketing (11th). USA: Pearson Prentice Hall.

Chicago Style

Kotler, Philip, Armstrong, Gary. Principles of Marketing. 11th USA: Pearson Prentice Hall, 2006. Text.

MLA Style

Kotler, Philip, Armstrong, Gary. Principles of Marketing. 11th USA: Pearson Prentice Hall, 2006. Text.

Turabian Style

Kotler, Philip, Armstrong, Gary. Principles of Marketing. 11th USA: Pearson Prentice Hall, 2006. Print.