United States. Interstate Commerce Commission. (1919). Rules pertaining to operating statistics of large steam railways, effective Jan. 1, 1920. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Interstate Commerce Commission. Rules Pertaining to Operating Statistics of Large Steam Railways, Effective Jan. 1, 1920. Washington: U.S. GPO, 1919.
MLA (9th ed.) CitationUnited States. Interstate Commerce Commission. Rules Pertaining to Operating Statistics of Large Steam Railways, Effective Jan. 1, 1920. U.S. GPO, 1919.
Warning: These citations may not always be 100% accurate.