APA

Costin F., Draguns J. G., . (1989). Abnormal psychology: patterns, issues, interventions. New York: Wiley.

Chicago

Costin Frank, Draguns Juris G, . 1989. Abnormal psychology: patterns, issues, interventions. New York: Wiley.

Harvard

Costin F., Draguns J. G., . (1989). Abnormal psychology: patterns, issues, interventions. New York: Wiley.

MLA

Costin Frank, Draguns Juris G, . Abnormal psychology: patterns, issues, interventions. New York: Wiley. 1989.