Bartlett, C. (1992). Staying fit past 50. Masters Pres.
Citación estilo ChicagoBartlett, Cody. Staying Fit Past 50. Indianpolis,IN: Masters Pres, 1992.
Cita MLABartlett, Cody. Staying Fit Past 50. Masters Pres, 1992.
Warning: These citations may not always be 100% accurate.