APA (7th ed.) Citation

Horton, W. K. (1990). Designing and writing online documentation: Help files to hypertex. John Wiley.

Chicago Style (17th ed.) Citation

Horton, William K. Designing and Writing Online Documentation: Help Files to Hypertex. New York: John Wiley, 1990.

MLA (9th ed.) Citation

Horton, William K. Designing and Writing Online Documentation: Help Files to Hypertex. John Wiley, 1990.