Cita APA (7a ed.)

Kuniavsky, M. (2003). Observing the user experience: A practitioner's guide to user research (1st edition.). Morgan Kaufmann Publishers.

Cita Chicago Style (17a ed.)

Kuniavsky, Mike. Observing the User Experience: A Practitioner's Guide to User Research. 1st edition. San Francisco, CA: Morgan Kaufmann Publishers, 2003.

Cita MLA (9a ed.)

Kuniavsky, Mike. Observing the User Experience: A Practitioner's Guide to User Research. 1st edition. Morgan Kaufmann Publishers, 2003.