Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Kuniavsky, Mike. Observing the User Experience: A Practitioner's Guide to User Research. San Francisco, California [etc.]: Morgan Kaufmann, 2003.

Cita MLA (9a ed.)

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