APA (7th ed.) Citation

Library of Congress. Catalog Division. (1920). List of American doctoral dissertations printed in 1920. GPO.

Chicago Style (17th ed.) Citation

Library of Congress. Catalog Division. List of American Doctoral Dissertations Printed in 1920. [Washington]: GPO, 1920.

MLA (9th ed.) Citation

Library of Congress. Catalog Division. List of American Doctoral Dissertations Printed in 1920. GPO, 1920.

Warning: These citations may not always be 100% accurate.