MLA

Preu, Paul William, and Eugen Kahn. Outline of Psychiatric Case-study : a Practical Handbook. New York: P.H. Hoeber, 1939.

APA

Preu, P. William, & Kahn, E. (1939). Outline of psychiatric case-study : a practical handbook. New York: P.H. Hoeber.

Chicago

Preu, Paul William, and Eugen Kahn. Outline of Psychiatric Case-Study: A Practical Handbook. New York: P.H. Hoeber, 1939.