APA引文

Humphreys, L. R. (1987). Tropical pastures and fodder crops. New York: Wiley.

Trích dẫn kiểu Chicago

Humphreys, L. R. Tropical Pastures and Fodder Crops. New York: Wiley, 1987.

MLA引文

Humphreys, L. R. Tropical Pastures and Fodder Crops. New York: Wiley, 1987.

警告：这些引文格式不一定是100％准确.