Library of Congress. (1944). Catalog of copyright entries, new series, part 4, Works of art, reproductions of a work of art, drawings or plastic works of scientific or technical character, photographs, prints and pictorial illustrations, including prints and labels used for articles of merchandise, including lists of renewals, volume 39, no. 9. [s.n.].
Chicago Style (17th ed.) CitationLibrary of Congress. Catalog of Copyright Entries, New Series, Part 4, Works of Art, Reproductions of a Work of Art, Drawings or Plastic Works of Scientific or Technical Character, Photographs, Prints and Pictorial Illustrations, Including Prints and Labels Used for Articles of Merchandise, Including Lists of Renewals, Volume 39, No. 9. [Washington]: [s.n.], 1944.
MLA (9th ed.) CitationLibrary of Congress. Catalog of Copyright Entries, New Series, Part 4, Works of Art, Reproductions of a Work of Art, Drawings or Plastic Works of Scientific or Technical Character, Photographs, Prints and Pictorial Illustrations, Including Prints and Labels Used for Articles of Merchandise, Including Lists of Renewals, Volume 39, No. 9. [s.n.], 1944.