APA (7th ed.) Citation

International Union of Psychological Science. Committee on Publication and Communication, Universität Trier. Zentralstelle für Psychologische Information und Dokumentation, Jacobson, E. H., Reinert, G., & Herrig, D. International directory of psychologists, exclusive of the U.S.A. (3d ed.).

Chicago Style (17th ed.) Citation

International Union of Psychological Science. Committee on Publication and Communication, Universität Trier. Zentralstelle für Psychologische Information und Dokumentation, Eugene Henry Jacobson, Günther Reinert, and Detlef Herrig. International Directory of Psychologists, Exclusive of the U.S.A. 3d ed.

MLA (9th ed.) Citation

International Union of Psychological Science. Committee on Publication and Communication, et al. International Directory of Psychologists, Exclusive of the U.S.A. 3d ed.