APA (7th ed.) Citation

R.R. Bowker Company. (1991). The software encyclopedia. R.R. Bowker.

Chicago Style (17th ed.) Citation

R.R. Bowker Company. The Software Encyclopedia. New Providence, N.J.: R.R. Bowker, 1991.

MLA (9th ed.) Citation

R.R. Bowker Company. The Software Encyclopedia. R.R. Bowker, 1991.

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