United States. Federal Supply Service. (1930). Supplement to general schedule of supplies for fiscal year 1931, class 11: Feed, forage, and seed, for period from Mar. 1 to June 30, 1931. GPO.
Chicago Style (17th ed.) CitationUnited States. Federal Supply Service. Supplement to General Schedule of Supplies for Fiscal Year 1931, Class 11: Feed, Forage, and Seed, for Period from Mar. 1 to June 30, 1931. [Washington]: GPO, 1930.
MLA (9th ed.) CitationUnited States. Federal Supply Service. Supplement to General Schedule of Supplies for Fiscal Year 1931, Class 11: Feed, Forage, and Seed, for Period from Mar. 1 to June 30, 1931. GPO, 1930.
Warning: These citations may not always be 100% accurate.