May, M. E. (2012). The laws of subtraction: Six simple rules for winning in the age of excess everything (1st edition.). McGraw-Hill.
Cita Chicago Style (17a ed.)May, Matthew E. The Laws of Subtraction: Six Simple Rules for Winning in the Age of Excess Everything. 1st edition. New York: McGraw-Hill, 2012.
Cita MLA (9a ed.)May, Matthew E. The Laws of Subtraction: Six Simple Rules for Winning in the Age of Excess Everything. 1st edition. McGraw-Hill, 2012.
Precaución: Estas citas no son 100% exactas.