APA (7th ed.) Citation

Library of Congress. Photoduplication Service. (1974). Specifications for 16mm microfilming of library card catalogs. Library of Congress; [for sale by Supt. of Docs., U.S. Govt. Print. Off.].

Chicago Style (17th ed.) Citation

Library of Congress. Photoduplication Service. Specifications for 16mm Microfilming of Library Card Catalogs. Washington: Library of Congress; [for sale by Supt. of Docs., U.S. Govt. Print. Off.], 1974.

MLA (8th ed.) Citation

Library of Congress. Photoduplication Service. Specifications for 16mm Microfilming of Library Card Catalogs. Library of Congress; [for sale by Supt. of Docs., U.S. Govt. Print. Off.], 1974.