Cita APA (7a ed.)

Butcher, T., Maslakowski, M. C., & Butcher, A. R. C. (2003). Sams teach yourself MySQL in 21 days (2nd ed.). Sams.

Cita Chicago Style (17a ed.)

Butcher, Tony, Mark Contributor Maslakowski, y Anthony Raymond Contributor Butcher. Sams Teach Yourself MySQL in 21 Days. 2nd ed. Indianapolis, Ind.: Sams, 2003.

Cita MLA (9a ed.)

Butcher, Tony, et al. Sams Teach Yourself MySQL in 21 Days. 2nd ed. Sams, 2003.