APA (7th ed.) Citation

Ries, A., & Trout, J. (2007). The 22 Immutable Laws of Marketing. Profile Books Ltd.

Chicago Style (17th ed.) Citation

Ries, Al, and Jack Trout. The 22 Immutable Laws of Marketing. London: Profile Books Ltd, 2007.

MLA (9th ed.) Citation

Ries, Al, and Jack Trout. The 22 Immutable Laws of Marketing. Profile Books Ltd, 2007.