APA (7th ed.) Citation

Library of Congress. (1943). Catalog of copyright entries, new series, part 1, group 2, Pamphlets, leaflets, contributions to newspapers or periodicals, etc., lectures, sermons, addresses for oral delivery, maps, volume 40, no. 6. [s.n.].

Chicago Style (17th ed.) Citation

Library of Congress. Catalog of Copyright Entries, New Series, Part 1, Group 2, Pamphlets, Leaflets, Contributions to Newspapers or Periodicals, Etc., Lectures, Sermons, Addresses for Oral Delivery, Maps, Volume 40, No. 6. [Washington]: [s.n.], 1943.

MLA (9th ed.) Citation

Library of Congress. Catalog of Copyright Entries, New Series, Part 1, Group 2, Pamphlets, Leaflets, Contributions to Newspapers or Periodicals, Etc., Lectures, Sermons, Addresses for Oral Delivery, Maps, Volume 40, No. 6. [s.n.], 1943.