Cita APA

Shephard, R. J., & Shephard, R. J. (1982). Physical activity and growth. Chicago: Year Book Medical.

Citación estilo Chicago

Shephard, Roy J., y Roy J. Shephard. Physical Activity and Growth. Chicago: Year Book Medical, 1982.

Cita MLA

Shephard, Roy J., y Roy J. Shephard. Physical Activity and Growth. Chicago: Year Book Medical, 1982.