APA引文

Opeke, L. K. (1982). Tropical tree crops. John Wiley and Sons.

Chicago Edition Citation

Opeke, L K. Tropical Tree Crops. New York: John Wiley and Sons, 1982.

MLA引文

Opeke, L K. Tropical Tree Crops. John Wiley and Sons, 1982.

警告：这些引文格式不一定是100％准确.