APA (7th ed.) Citation

United States. Federal Supply Service. (1928). Supplements to general schedule of supplies for fiscal year 1929, for period Jan. 1 to June 30, 1929. GPO.

Chicago Style (17th ed.) Citation

United States. Federal Supply Service. Supplements to General Schedule of Supplies for Fiscal Year 1929, for Period Jan. 1 to June 30, 1929. [Washington]: GPO, 1928.

MLA (9th ed.) Citation

United States. Federal Supply Service. Supplements to General Schedule of Supplies for Fiscal Year 1929, for Period Jan. 1 to June 30, 1929. GPO, 1928.