APA引文

J B Hacker. (1981). Nutritional limits to animal production from pastures. Commonwealth agricultural.

Chicago Edition Citation

J B Hacker. Nutritional Limits to Animal Production from Pastures. Commonwealth agricultural, 1981.

MLA引文

J B Hacker. Nutritional Limits to Animal Production from Pastures. Commonwealth agricultural, 1981.

警告：这些引文格式不一定是100％准确.