APA Style

Keen, P, G, W., Mackintosh, R. (2001). The Freedom Economy :Gaining the M-commerce Edge in the Era of the Wireless Internet . Berkeley, Calif., U.S.A. :: Osborne/McGraw-Hill,.

MLA Style

Keen, Peter, G., W.., Mackintosh, Ron.. "The Freedom Economy :Gaining the M-commerce Edge in the Era of the Wireless Internet". Berkeley, Calif., U.S.A. :: Osborne/McGraw-Hill,, 2001. Text.