APA (7th ed.) Citation

Library of Congress. Processing Department. (1956). Filing rules for the dictionary catalogs of the Library of Congress. [s.n.].

Chicago Style (17th ed.) Citation

Library of Congress. Processing Department. Filing Rules for the Dictionary Catalogs of the Library of Congress. Washington: [s.n.], 1956.

MLA (8th ed.) Citation

Library of Congress. Processing Department. Filing Rules for the Dictionary Catalogs of the Library of Congress. [s.n.], 1956.

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