APA (7th ed.) Citation

Ashley, R., Ashley, P., & Fernandez, J. N.. (1989). Online communications software. McGraw-Hill.

Chicago Style (17th ed.) Citation

Ashley, Ruth, Paul Ashley, and Judi N. Fernandez. Online Communications Software. New York: McGraw-Hill, 1989.

MLA (9th ed.) Citation

Ashley, Ruth, et al. Online Communications Software. McGraw-Hill, 1989.