Santa Fe Productions, Coyote, P., & Brown, E. (2007). The brain fitness program. Santa Fe Productions.
Cita Chicago Style (17a ed.)Santa Fe Productions, Peter Coyote, y Eli Brown. The Brain Fitness Program. [S.l.]: Santa Fe Productions, 2007.
Cita MLA (8a ed.)Santa Fe Productions, et al. The Brain Fitness Program. Santa Fe Productions, 2007.
Precaución: Estas citas no son 100% exactas.