Davis, R. J., & Kolowich, B., Jr. (2017). Fitter faster: The smart way to get in shape in just minutes a day. AMACOM.
Cita Chicago Style (17a ed.)Davis, Robert J., y Brad Kolowich, Jr. Fitter Faster: The Smart Way to Get in Shape in Just Minutes a Day. New York, NY: AMACOM, 2017.
Cita MLA (8a ed.)Davis, Robert J., y Brad Kolowich, Jr. Fitter Faster: The Smart Way to Get in Shape in Just Minutes a Day. AMACOM, 2017.
Precaución: Estas citas no son 100% exactas.