APA引文

Craig Wheaton Smith. (1957). Breeding better cows. Dairy farmer Ltd.

Chicago Edition Citation

Craig Wheaton Smith. Breeding Better Cows. Dairy farmer Ltd, 1957.

MLA引文

Craig Wheaton Smith. Breeding Better Cows. Dairy farmer Ltd, 1957.

警告：這些引文格式不一定是100％准確.