United States. Interstate Commerce Commission. (1935). Comparative Statement of Operating Averages Class I Steam Railways in the United States, Years 1934 and 1935. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Interstate Commerce Commission. Comparative Statement of Operating Averages Class I Steam Railways in the United States, Years 1934 and 1935. [Washington]: [s.n.], 1935.
MLA (9th ed.) CitationUnited States. Interstate Commerce Commission. Comparative Statement of Operating Averages Class I Steam Railways in the United States, Years 1934 and 1935. [s.n.], 1935.
Warning: These citations may not always be 100% accurate.