Association of American Railroads. Bureau of Railway Economics. (1930). An economic survey of inland waterway transportation in the United States.: Washington, D.C., October 15, 1930. [publisher not identified].
Chicago Style (17th ed.) CitationAssociation of American Railroads. Bureau of Railway Economics. An Economic Survey of Inland Waterway Transportation in the United States.: Washington, D.C., October 15, 1930. [Washington]: [publisher not identified], 1930.
MLA (9th ed.) CitationAssociation of American Railroads. Bureau of Railway Economics. An Economic Survey of Inland Waterway Transportation in the United States.: Washington, D.C., October 15, 1930. [publisher not identified], 1930.
Warning: These citations may not always be 100% accurate.