Cita APA (7a ed.)

Sandler, M., & Lee, J. (2013). Barefoot walking: Free your feet to minimize impact, maximize efficiency, and discover the pleasure of getting in touch with the earth. Three Rivers Press.

Cita Chicago Style (17a ed.)

Sandler, Michael, y Jessica Lee. Barefoot Walking: Free Your Feet to Minimize Impact, Maximize Efficiency, and Discover the Pleasure of Getting in Touch with the Earth. New York: Three Rivers Press, 2013.

Cita MLA (9a ed.)

Sandler, Michael, y Jessica Lee. Barefoot Walking: Free Your Feet to Minimize Impact, Maximize Efficiency, and Discover the Pleasure of Getting in Touch with the Earth. Three Rivers Press, 2013.