APA (7th ed.) Citation

Williams, A. T. (1984). What if--?: A user's guide to spreadsheets on the IBM PC. Wiley.

Chicago Style (17th ed.) Citation

Williams, Andrew T. What If--?: A User's Guide to Spreadsheets on the IBM PC. New York: Wiley, 1984.

MLA (9th ed.) Citation

Williams, Andrew T. What If--?: A User's Guide to Spreadsheets on the IBM PC. Wiley, 1984.

Warning: These citations may not always be 100% accurate.