APA Edition Citation

Ries, A., & Trout, J. (2001). Positioning: The battle for your mind (20th anniversary ed.). McGraw-Hill.

Chicago Edition Citation

Ries, Al, and Jack Trout. Positioning: The Battle for Your Mind. 20th anniversary ed. Chennai: McGraw-Hill, 2001.

MLA Edition Citation

Ries, Al, and Jack Trout. Positioning: The Battle for Your Mind. 20th anniversary ed. McGraw-Hill, 2001.