Cita APA (7a ed.)

Watson, S. J., & Smith, A. (1951). Silage. Crosby Lockwood.

Cita Chicago Style (17a ed.)

Watson, Stephen J., y Alan Smith. Silage. London: Crosby Lockwood, 1951.

Cita MLA (8a ed.)

Watson, Stephen J., y Alan Smith. Silage. Crosby Lockwood, 1951.