Obsessive-compulsive disorders : the facts
MLA
De Silva, Padmal, and Stanley J Rachman. Obsessive-compulsive Disorders : the Facts. 2nd ed. Oxford: Oxford University Press, 1998.
APA
De Silva, P., & Rachman, S. J. (1998). Obsessive-compulsive disorders : the facts. 2nd ed. Oxford: Oxford University Press.
Chicago
De Silva, Padmal, and Stanley J. Rachman. Obsessive-Compulsive Disorders: The Facts. 2nd ed. Oxford: Oxford University Press, 1998.