APA引文

J W Purseglove. (1974). Tropical crops: Dicotyledons. London: Longman.

Trích dẫn kiểu Chicago

J W Purseglove. Tropical Crops: Dicotyledons. London: Longman, 1974.

MLA引文

J W Purseglove. Tropical Crops: Dicotyledons. London: Longman, 1974.

警告：這些引文格式不一定是100％准確.