APA (7th ed.) Citation

Dumas, J. S., & Redish, J. (1993). A practical guide to usability testing. Ablex Pub. Corp..

Chicago Style (17th ed.) Citation

Dumas, Joseph S., and Janice Redish. A Practical Guide to Usability Testing. Norwood, N.J.: Ablex Pub. Corp., 1993.

MLA (9th ed.) Citation

Dumas, Joseph S., and Janice Redish. A Practical Guide to Usability Testing. Ablex Pub. Corp., 1993.