Sherden, W. A. (1998). The fortune sellers: The big business of buying and selling predictions. John Wiley.
Cita Chicago Style (17a ed.)Sherden, William A. The Fortune Sellers: The Big Business of Buying and Selling Predictions. New York: John Wiley, 1998.
Cita MLA (8a ed.)Sherden, William A. The Fortune Sellers: The Big Business of Buying and Selling Predictions. John Wiley, 1998.
Precaución: Estas citas no son 100% exactas.