Cita APA (7a ed.)

Eisenberg, B., Quarto-vonTivadar, J., & Davis, L. T. (2008). Always be testing: The complete guide to Google website optimizer. Wiley Publishing.

Cita Chicago Style (17a ed.)

Eisenberg, Bryan, John Quarto-vonTivadar, y Lisa T. Davis. Always Be Testing: The Complete Guide to Google Website Optimizer. Indianapolis, Ind.: Wiley Publishing, 2008.

Cita MLA (9a ed.)

Eisenberg, Bryan, et al. Always Be Testing: The Complete Guide to Google Website Optimizer. Wiley Publishing, 2008.