APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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