APA (7th ed.) Citation

Library of Congress. (1945). A guide to the official publications of the other American republics. [publisher not identified].

Chicago Style (17th ed.) Citation

Library of Congress. A Guide to the Official Publications of the Other American Republics. Washington: [publisher not identified], 1945.

MLA (9th ed.) Citation

Library of Congress. A Guide to the Official Publications of the Other American Republics. [publisher not identified], 1945.