APA (7th ed.) Citation

United States. Federal Supply Service. (1929). General schedule of supplies for fiscal year 1930, 1st supplement of awards to class 12: Photographic supplies, aerochrome films, for period from Oct. 1, 1929, to June 30, 1930. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Federal Supply Service. General Schedule of Supplies for Fiscal Year 1930, 1st Supplement of Awards to Class 12: Photographic Supplies, Aerochrome Films, for Period from Oct. 1, 1929, to June 30, 1930. [Washington]: [publisher not identified], 1929.

MLA (9th ed.) Citation

United States. Federal Supply Service. General Schedule of Supplies for Fiscal Year 1930, 1st Supplement of Awards to Class 12: Photographic Supplies, Aerochrome Films, for Period from Oct. 1, 1929, to June 30, 1930. [publisher not identified], 1929.