APA (7th ed.) Citation

United States. Interstate Commerce Commission. (1940). Revenues and Passengers of Class I Motor Carriers of Passengers (Excluding Charter or Special), Mar. 1940. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Interstate Commerce Commission. Revenues and Passengers of Class I Motor Carriers of Passengers (Excluding Charter or Special), Mar. 1940. [Washington]: [publisher not identified], 1940.

MLA (9th ed.) Citation

United States. Interstate Commerce Commission. Revenues and Passengers of Class I Motor Carriers of Passengers (Excluding Charter or Special), Mar. 1940. [publisher not identified], 1940.