APA (7th ed.) Citation

United States. Bureau of Agricultural Economics, Burtis, E. L., Taylor, G. R., & Waugh, F. V. (1939). Barriers to internal trade in farm products. U. S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

United States. Bureau of Agricultural Economics, Edgar Lewis Burtis, George Rogers Taylor, and Frederick V. Waugh. Barriers to Internal Trade in Farm Products. Washington: U. S. Govt. Print. Off, 1939.

MLA (9th ed.) Citation

United States. Bureau of Agricultural Economics, et al. Barriers to Internal Trade in Farm Products. U. S. Govt. Print. Off, 1939.