APA (7th ed.) Citation

Hartson, R., & Pyla, P. (2012). The UX Book. Elsevier Science.

Chicago Style (17th ed.) Citation

Hartson, Rex, and Pardha Pyla. The UX Book. Elsevier Science, 2012.

MLA (9th ed.) Citation

Hartson, Rex, and Pardha Pyla. The UX Book. Elsevier Science, 2012.

Warning: These citations may not always be 100% accurate.