United States. Interstate Commerce Commission. (1929). Investigation of safety devices. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Interstate Commerce Commission. Investigation of Safety Devices. Washington: U.S. GPO, 1929.
MLA (9th ed.) CitationUnited States. Interstate Commerce Commission. Investigation of Safety Devices. U.S. GPO, 1929.
Warning: These citations may not always be 100% accurate.