United States. Federal Board for Vocational Education. (1919). Photography, photo-engraving and 3-color work. GPO.
Chicago Style (17th ed.) CitationUnited States. Federal Board for Vocational Education. Photography, Photo-engraving and 3-color Work. [Washington]: GPO, 1919.
MLA (9th ed.) CitationUnited States. Federal Board for Vocational Education. Photography, Photo-engraving and 3-color Work. GPO, 1919.
Warning: These citations may not always be 100% accurate.