APA (7th ed.) Citation

Association of Research Libraries. (1956). Index to American doctoral dissertations. University Microfilms.

Chicago Style (17th ed.) Citation

Association of Research Libraries. Index to American Doctoral Dissertations. Ann Arbor, MI: University Microfilms, 1956.

MLA (8th ed.) Citation

Association of Research Libraries. Index to American Doctoral Dissertations. University Microfilms, 1956.