APA (7th ed.) Citation

United States. Interstate Commerce Commission. (1940). Tons of Revenue Freight Originated and Tons Terminated in Carloads By Classes of Commodities and By Geographic Areas - Class I Steam Railways, Calendar Year 1940. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Interstate Commerce Commission. Tons of Revenue Freight Originated and Tons Terminated in Carloads By Classes of Commodities and By Geographic Areas - Class I Steam Railways, Calendar Year 1940. [Washington]: [publisher not identified], 1940.

MLA (9th ed.) Citation

United States. Interstate Commerce Commission. Tons of Revenue Freight Originated and Tons Terminated in Carloads By Classes of Commodities and By Geographic Areas - Class I Steam Railways, Calendar Year 1940. [publisher not identified], 1940.