APA (7th ed.) Citation

Courage, C. (2005). Understanding your users: A practical guide to user requirements methods, tools, and techniques. Elsevier.

Chicago Style (17th ed.) Citation

Courage, Catherine. Understanding Your Users: A Practical Guide to User Requirements Methods, Tools, and Techniques. Amsterdam [u.a.]: Elsevier, 2005.

MLA (9th ed.) Citation

Courage, Catherine. Understanding Your Users: A Practical Guide to User Requirements Methods, Tools, and Techniques. Elsevier, 2005.