APA (7th ed.) Citation

Hill, S. S., Koocher, G. P., & Norcross, J. C. (1998). Psychologists' desk reference. Oxford University Press.

Chicago Style (17th ed.) Citation

Hill, Sam S., Gerald P. Koocher, and John C. Norcross. Psychologists' Desk Reference. New York: Oxford University Press, 1998.

MLA (9th ed.) Citation

Hill, Sam S., et al. Psychologists' Desk Reference. Oxford University Press, 1998.