APA Style

Kotler, Philip, Armstrong, Gary. (2018). Principles of marketing (17). Harlow: Pearson.

Chicago Style

Kotler, Philip, Armstrong, Gary. Principles of marketing. 17 Harlow: Pearson, 2018. Book.

MLA Style

Kotler, Philip, Armstrong, Gary. Principles of marketing. 17 Harlow: Pearson, 2018. Book.

Turabian Style

Kotler, Philip, Armstrong, Gary. Principles of marketing. 17 Harlow: Pearson, 2018. Book.