APA (7th ed.) Citation

Coombs, R. H., & West, L. J. (1991). Drug testing: Issues and options. Oxford University Press.

Chicago Style (17th ed.) Citation

Coombs, Robert H., and Louis Jolyon West. Drug Testing: Issues and Options. New York: Oxford University Press, 1991.

MLA (9th ed.) Citation

Coombs, Robert H., and Louis Jolyon West. Drug Testing: Issues and Options. Oxford University Press, 1991.