APA引文

Humphreys, L. R. (1978). Tropical pastures and fodder crops. Longman Group Ltd.

Chicago Edition Citation

Humphreys, L R. Tropical Pastures and Fodder Crops. London: Longman Group Ltd, 1978.

MLA引文

Humphreys, L R. Tropical Pastures and Fodder Crops. Longman Group Ltd, 1978.

警告：这些引文格式不一定是100％准确.