APA (7th ed.) Citation

United States. Interstate Commerce Commission. (1941). Operating Revenues and Operating Expenses - Selected Items for Large Steam Railways, Apr. 1941. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Interstate Commerce Commission. Operating Revenues and Operating Expenses - Selected Items for Large Steam Railways, Apr. 1941. [Washington]: [publisher not identified], 1941.

MLA (9th ed.) Citation

United States. Interstate Commerce Commission. Operating Revenues and Operating Expenses - Selected Items for Large Steam Railways, Apr. 1941. [publisher not identified], 1941.