APA (7th ed.) Citation

(1990). The Software Encyclopedia 1990: Titles, Publishers/Titles. R.R. Bowker.

Chicago Style (17th ed.) Citation

The Software Encyclopedia 1990: Titles, Publishers/Titles. New York: R.R. Bowker, 1990.

MLA (8th ed.) Citation

The Software Encyclopedia 1990: Titles, Publishers/Titles. R.R. Bowker, 1990.

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