APA (7th ed.) Citation

Baxter, K., Courage, C., & Caine, K. (2015). Understanding your users: A practical guide to user research methods (2a. ed.). Elsevier.

Chicago Style (17th ed.) Citation

Baxter, Kathy, Catherine Courage, and Kelly Caine. Understanding Your Users: A Practical Guide to User Research Methods. 2a. ed. Amsterdam: Elsevier, 2015.

MLA (9th ed.) Citation

Baxter, Kathy, et al. Understanding Your Users: A Practical Guide to User Research Methods. 2a. ed. Elsevier, 2015.