Cita APA

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

Citación estilo Chicago

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

Cita MLA

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