APA (7th ed.) Citation

United States. Interstate Commerce Commission. (1934). Revenue Traffic Statistics of Class I Steam Railways in U.S., Apr. 1934. [s.n.].

Chicago Style (17th ed.) Citation

United States. Interstate Commerce Commission. Revenue Traffic Statistics of Class I Steam Railways in U.S., Apr. 1934. [Washington]: [s.n.], 1934.

MLA (9th ed.) Citation

United States. Interstate Commerce Commission. Revenue Traffic Statistics of Class I Steam Railways in U.S., Apr. 1934. [s.n.], 1934.