APA (7th ed.) Citation

Merrick, W., & O' Sullivan, J. (1990). The environment. Oxford University Press.

Chicago Style (17th ed.) Citation

Merrick, William, and Joan O' Sullivan. The Environment. Oxford: Oxford University Press, 1990.

MLA (9th ed.) Citation

Merrick, William, and Joan O' Sullivan. The Environment. Oxford University Press, 1990.