United States. Interstate Commerce Commission. (1919). In matter of block-signal and train-order statistics. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Interstate Commerce Commission. In Matter of Block-signal and Train-order Statistics. Washington: U.S. GPO, 1919.
MLA (9th ed.) CitationUnited States. Interstate Commerce Commission. In Matter of Block-signal and Train-order Statistics. U.S. GPO, 1919.
Warning: These citations may not always be 100% accurate.