Cita APA (7th ed.)

Benjamin, A., & Shermer, M. (2006). Secrets of mental math: The mathemagician's guide to lightning calculation and amazing math tricks. Three Rivers Press.

Cita Chicago (17th ed.)

Benjamin, Arthur, i Michael Shermer. Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks. New York: Three Rivers Press, 2006.

Cita MLA (9th ed.)

Benjamin, Arthur, i Michael Shermer. Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks. Three Rivers Press, 2006.