APA Style

Kotler, Philip, Armstrong, Gary. (2021). Principles of Marketing, Global Edition (18th). London: Pearson Education Limited.

Chicago Style

Kotler, Philip, Armstrong, Gary. Principles of Marketing, Global Edition. 18th London: Pearson Education Limited, 2021. Text.

MLA Style

Kotler, Philip, Armstrong, Gary. Principles of Marketing, Global Edition. 18th London: Pearson Education Limited, 2021. Text.

Turabian Style

Kotler, Philip, Armstrong, Gary. Principles of Marketing, Global Edition. 18th London: Pearson Education Limited, 2021. Print.