MLA

Sauro, Jeff, James R Lewis, and James R Lewis. Quantifying the User Experience : Practical Statistics for User Research. Saint Louis: Morgan Kaufmann, 2016.

APA

Sauro, J., Lewis, J. R, & James R Lewis, J. R Lewis. (2016). Quantifying the user experience : practical statistics for user research. Saint Louis: Morgan Kaufmann.

Chicago

Sauro, Jeff, James R Lewis, and James R Lewis. Quantifying the User Experience : Practical Statistics for User Research. Saint Louis: Morgan Kaufmann, 2016.