Library of Congress. Office of the Assistant Director for Preservation. (1975). Preservation leaflets. Library of Congress.
Chicago Style (17th ed.) CitationLibrary of Congress. Office of the Assistant Director for Preservation. Preservation Leaflets. [Washington]: Library of Congress, 1975.
MLA (9th ed.) CitationLibrary of Congress. Office of the Assistant Director for Preservation. Preservation Leaflets. Library of Congress, 1975.
Warning: These citations may not always be 100% accurate.