Cita APA (7a ed.)

Smith, N. J., & Worthington-Roberts, B. (1989). Food for sport. Bull.

Cita Chicago Style (17a ed.)

Smith, Nathan J., y Bonnie Worthington-Roberts. Food for Sport. Palo Alto, Calif: Bull, 1989.

Cita MLA (9a ed.)

Smith, Nathan J., y Bonnie Worthington-Roberts. Food for Sport. Bull, 1989.