APA (7th ed.) Citation

Aitken, P. G., & Wempen, F. (1997). Microsoft office 97 professional 6 in 1. [publisher not identified].

Chicago Style (17th ed.) Citation

Aitken, Peter G., and Faithe Wempen. Microsoft Office 97 Professional 6 in 1. Indianapolis, IN : Que Corp.: [publisher not identified], 1997.

MLA (9th ed.) Citation

Aitken, Peter G., and Faithe Wempen. Microsoft Office 97 Professional 6 in 1. [publisher not identified], 1997.