United States. Interstate Commerce Commission. (1942). Revenues and Passengers of Class I Motor Carriers of Passengers (Excluding Charter or Special), Apr. 1942. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Interstate Commerce Commission. Revenues and Passengers of Class I Motor Carriers of Passengers (Excluding Charter or Special), Apr. 1942. [Washington]: [publisher not identified], 1942.
MLA (9th ed.) CitationUnited States. Interstate Commerce Commission. Revenues and Passengers of Class I Motor Carriers of Passengers (Excluding Charter or Special), Apr. 1942. [publisher not identified], 1942.
Warning: These citations may not always be 100% accurate.