APA (7th ed.) Citation

Graf, D., Church, O. D., & Duff, T. B. (1990). Business in an information economy. McGraw-Hill.

Chicago Style (17th ed.) Citation

Graf, David, Olive D. Church, and Thomas B. Duff. Business in an Information Economy. New York, NY u. a: McGraw-Hill, 1990.

MLA (9th ed.) Citation

Graf, David, et al. Business in an Information Economy. McGraw-Hill, 1990.