International directory of psychologists.
Exclusive of the U.S.A.
Prepared by the Committee on Publication and Communication of the Inernational Union of Psychological Science. Editors: Hubert C.J. Duijker and Eugene H. Jacobson.

APA Citation

International Union of Psychological Science. Committee on Publication and Communication., Jacobson, E. Henry., Duijker, H. Carl Johannes., National Research Council (U.S.). Committee on an International Directory of Psychologists. (1966). International directory of psychologists: Exclusive of the U.S.A. 2d ed. Assen: Van Gorcum.

MLA Citation

International Union of Psychological Science. Committee on Publication and Communication, Eugene Henry Jacobson, Hubertus Carl Johannes Duijker, and National Research Council (U.S.). Committee on an International Directory of Psychologists. International Directory of Psychologists: Exclusive of the U.S.A. 2d ed. Assen: Van Gorcum, 1966.