Ries, A., & Trout, J. (1993). Positioning: The battle for your mind. Warner Books.
Chicago Style (17th ed.) CitationRies, Al, and Jack Trout. Positioning: The Battle for Your Mind. New York: Warner Books, 1993.
MLA (9th ed.) CitationRies, Al, and Jack Trout. Positioning: The Battle for Your Mind. Warner Books, 1993.
Warning: These citations may not always be 100% accurate.