United States. Interstate Commerce Commission. (1941). Tons of Revenue Freight Originated and Tons Terminated in Carloads By Classes of Commodities and By Geographic Areas - Class I Steam Railways, Calendar Year 1941. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Interstate Commerce Commission. Tons of Revenue Freight Originated and Tons Terminated in Carloads By Classes of Commodities and By Geographic Areas - Class I Steam Railways, Calendar Year 1941. [Washington]: [publisher not identified], 1941.
MLA (9th ed.) CitationUnited States. Interstate Commerce Commission. Tons of Revenue Freight Originated and Tons Terminated in Carloads By Classes of Commodities and By Geographic Areas - Class I Steam Railways, Calendar Year 1941. [publisher not identified], 1941.