APA (7th ed.) Citation
Wolf, D. J. (1988). Working with Lotus Hal: A 1-2-3 user's guide.
Chicago Style (17th ed.) Citation
Wolf, Douglas J. Working with Lotus Hal: A 1-2-3 User's Guide. Blue Ridge Summit, 1988.
MLA (9th ed.) Citation
Wolf, Douglas J. Working with Lotus Hal: A 1-2-3 User's Guide. 1988.
Warning: These citations may not always be 100% accurate.