APA

Heiden L. A., Hersen M., . (1995). Introduction to clinical psychology. New York ; London: Plenun Press.

Chicago

Heiden Lynda A, Hersen Michel, . 1995. Introduction to clinical psychology. New York ; London: Plenun Press.

Harvard

Heiden L. A., Hersen M., . (1995). Introduction to clinical psychology. New York ; London: Plenun Press.

MLA

Heiden Lynda A, Hersen Michel, . Introduction to clinical psychology. New York ; London: Plenun Press. 1995.