Cita APA (7a ed.)

Nielsen, J., & Pernice, K. (2010). Eyetracking web usability. New Riders.

Cita Chicago Style (17a ed.)

Nielsen, Jakob, y Kara Pernice. Eyetracking Web Usability. Berkeley, Calif.: New Riders, 2010.

Cita MLA (9a ed.)

Nielsen, Jakob, y Kara Pernice. Eyetracking Web Usability. New Riders, 2010.