APA (7th ed.) Citation

Callahan, M. (1990). File Finders guide to shareware. McGraw-Hill.

Chicago Style (17th ed.) Citation

Callahan, Mike. File Finders Guide to Shareware. McGraw-Hill, 1990.

MLA (8th ed.) Citation

Callahan, Mike. File Finders Guide to Shareware. McGraw-Hill, 1990.

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