APA (7th ed.) Citation

Library of Congress. Copyright Office. (1937). Catalog of copyright entries, new series, part 1, group 1, Books, volume 34, no. 33. [s.n.].

Chicago Style (17th ed.) Citation

Library of Congress. Copyright Office. Catalog of Copyright Entries, New Series, Part 1, Group 1, Books, Volume 34, No. 33. [Washington]: [s.n.], 1937.

MLA (9th ed.) Citation

Library of Congress. Copyright Office. Catalog of Copyright Entries, New Series, Part 1, Group 1, Books, Volume 34, No. 33. [s.n.], 1937.