United States. Interstate Commerce Commission. (1942). Freight commodity statistics of class 1 steam railways in United States, 1942. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Interstate Commerce Commission. Freight Commodity Statistics of Class 1 Steam Railways in United States, 1942. [Washington]: [s.n.], 1942.
MLA (9th ed.) CitationUnited States. Interstate Commerce Commission. Freight Commodity Statistics of Class 1 Steam Railways in United States, 1942. [s.n.], 1942.
Warning: These citations may not always be 100% accurate.