APA (7th ed.) Citation

Humphreys, L. R. (1981). Environmental adaptation of tropical pasture plants. Macmillan.

Chicago Style (17th ed.) Citation

Humphreys, L. R. Environmental Adaptation of Tropical Pasture Plants. London: Macmillan, 1981.

MLA (9th ed.) Citation

Humphreys, L. R. Environmental Adaptation of Tropical Pasture Plants. Macmillan, 1981.

Warning: These citations may not always be 100% accurate.