APA引文

C David Edgar & Stephen Williams. (1966). Planned beef production. Crosby lock wood and sons.

Chicago Edition Citation

C David Edgar and Stephen Williams. Planned Beef Production. Crosby lock wood and sons, 1966.

MLA引文

C David Edgar and Stephen Williams. Planned Beef Production. Crosby lock wood and sons, 1966.

警告：這些引文格式不一定是100％准確.