Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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