APA (7th ed.) Citation

Connell, J. L., & Shafer, L. (1987). The professional user's guide to acquiring software. Van Nostrand Reinhold Co..

Chicago Style (17th ed.) Citation

Connell, John L., and Linda Shafer. The Professional User's Guide to Acquiring Software. New York: Van Nostrand Reinhold Co., 1987.

MLA (9th ed.) Citation

Connell, John L., and Linda Shafer. The Professional User's Guide to Acquiring Software. Van Nostrand Reinhold Co., 1987.