APA (7th ed.) Citation

Callahan, M., & Anis, N. (1990). Dr. File Finder's guide to shareware. Osborne McGraw-Hill.

Chicago Style (17th ed.) Citation

Callahan, Mike, and Nick Anis. Dr. File Finder's Guide to Shareware. New York: Osborne McGraw-Hill, 1990.

MLA (9th ed.) Citation

Callahan, Mike, and Nick Anis. Dr. File Finder's Guide to Shareware. Osborne McGraw-Hill, 1990.