Citazione Stile APA (7a Edizione)

Ries, A., & Trout, J. (1993). The 22 immutable laws of marketing: Violate them at your own risk. HarperBusiness.

Citazione stile Chigago Style (17a edizione)

Ries, Al, e Jack Trout. The 22 Immutable Laws of Marketing: Violate Them at Your Own Risk. New York, NY: HarperBusiness, 1993.

Citatione MLA (8a ed.)

Ries, Al, e Jack Trout. The 22 Immutable Laws of Marketing: Violate Them at Your Own Risk. HarperBusiness, 1993.