APA (7th ed.) Citation

Hay, R. K. M. (1981). Chemistry for agriculture and ecology: A foundation course. Blackwell Scientific.

Chicago Style (17th ed.) Citation

Hay, Robert K. M. Chemistry for Agriculture and Ecology: A Foundation Course. Oxford: Blackwell Scientific, 1981.

MLA (9th ed.) Citation

Hay, Robert K. M. Chemistry for Agriculture and Ecology: A Foundation Course. Blackwell Scientific, 1981.