APA (7th ed.) Citation

Goodman, E., Kuniavsky, M., & Moed, A. (2012). Observing the user experience: A practitioner's guide to user research (1a. ed.). Elsevier.

Chicago Style (17th ed.) Citation

Goodman, Elizabeth, Mike Kuniavsky, and Andrea Moed. Observing the User Experience: A Practitioner's Guide to User Research. 1a. ed. Amsterdam: Elsevier, 2012.

MLA (9th ed.) Citation

Goodman, Elizabeth, et al. Observing the User Experience: A Practitioner's Guide to User Research. 1a. ed. Elsevier, 2012.