APA (7th ed.) Citation

United States. Federal Supply Service. (1930). General schedule of supplies for fiscal year 1931, 1st supplement of awards to class 1: Item 1480, folders, pressboard, for period from July 1, 1930 to June 30, 1931. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Federal Supply Service. General Schedule of Supplies for Fiscal Year 1931, 1st Supplement of Awards to Class 1: Item 1480, Folders, Pressboard, for Period from July 1, 1930 to June 30, 1931. [Washington]: [publisher not identified], 1930.

MLA (9th ed.) Citation

United States. Federal Supply Service. General Schedule of Supplies for Fiscal Year 1931, 1st Supplement of Awards to Class 1: Item 1480, Folders, Pressboard, for Period from July 1, 1930 to June 30, 1931. [publisher not identified], 1930.