Cita APA (7a ed.)

Williams, S., & Edgar, D. C. (1966). Planned beef production. Crosby Lockwood.

Cita Chicago Style (17a ed.)

Williams, Stephen, y David C. Edgar. Planned Beef Production. London: Crosby Lockwood, 1966.

Cita MLA (8a ed.)

Williams, Stephen, y David C. Edgar. Planned Beef Production. Crosby Lockwood, 1966.