MLA

Emmelkamp, Paul M. G. Phobic and Obsessive-compulsive Disorders : Theory, Research, and Practice. New York: Plenum Press, 1982.

APA

Emmelkamp, P. M. G. (1982). Phobic and obsessive-compulsive disorders : theory, research, and practice. New York: Plenum Press.

Chicago

Emmelkamp, Paul M. G., Phobic and Obsessive-Compulsive Disorders: Theory, Research, and Practice. New York: Plenum Press, 1982.