United States. Interstate Commerce Commission. (1937). Revenue Traffic Statistics of Class I Steam Railways in U.S., Nov. 1936. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Interstate Commerce Commission. Revenue Traffic Statistics of Class I Steam Railways in U.S., Nov. 1936. [Washington]: [s.n.], 1937.
MLA (9th ed.) CitationUnited States. Interstate Commerce Commission. Revenue Traffic Statistics of Class I Steam Railways in U.S., Nov. 1936. [s.n.], 1937.
Warning: These citations may not always be 100% accurate.