APA (7th ed.) Citation

Eckhardt, R. C. (1987). Free (and almost free) software for the Macintosh: An illustrated and rated guide to over 1,000 of the best programs. Dilithium Press.

Chicago Style (17th ed.) Citation

Eckhardt, Robert C. Free (and Almost Free) Software for the Macintosh: An Illustrated and Rated Guide to over 1,000 of the Best Programs. New York: Dilithium Press, 1987.

MLA (9th ed.) Citation

Eckhardt, Robert C. Free (and Almost Free) Software for the Macintosh: An Illustrated and Rated Guide to over 1,000 of the Best Programs. Dilithium Press, 1987.