APA (7th ed.) Citation

United States. Interstate Commerce Commission. (1940). Revenues, Expenses, and Statistics of Class I Motor Carriers of Property, Calendar Year 1939. [s.n.].

Chicago Style (17th ed.) Citation

United States. Interstate Commerce Commission. Revenues, Expenses, and Statistics of Class I Motor Carriers of Property, Calendar Year 1939. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

United States. Interstate Commerce Commission. Revenues, Expenses, and Statistics of Class I Motor Carriers of Property, Calendar Year 1939. [s.n.], 1940.