APA

Columbia University, . (19391951). Dissertations accepted in partial fulfillment of the requirements for the degree of doctor philosophy in the Faculties of Political Science, Philosophy and Pure Science, Columbia University and received by the University Libraries in. New York, NY: Libraries.

Chicago

Columbia University, . 19391951. Dissertations accepted in partial fulfillment of the requirements for the degree of doctor philosophy in the Faculties of Political Science, Philosophy and Pure Science, Columbia University and received by the University Libraries in. New York, NY: Libraries.

Harvard

Columbia University, . (19391951). Dissertations accepted in partial fulfillment of the requirements for the degree of doctor philosophy in the Faculties of Political Science, Philosophy and Pure Science, Columbia University and received by the University Libraries in. New York, NY: Libraries.

MLA

Columbia University, . Dissertations accepted in partial fulfillment of the requirements for the degree of doctor philosophy in the Faculties of Political Science, Philosophy and Pure Science, Columbia University and received by the University Libraries in. New York, NY: Libraries. 19391951.