Cita APA (7a ed.)
Ries, A., & Trout, J. (1991). Horse sense: The key to success is finding a horse to ride. McGraw-Hill.
Cita Chicago Style (17a ed.)
Ries, Al, y Jack Trout. Horse Sense: The Key to Success Is Finding a Horse to Ride. New York: McGraw-Hill, 1991.
Cita MLA (9a ed.)
Ries, Al, y Jack Trout. Horse Sense: The Key to Success Is Finding a Horse to Ride. McGraw-Hill, 1991.
Precaución: Estas citas no son 100% exactas.