United States. Interstate Commerce Commission. (1933). Wage statistics, Class I steam railways in the United States. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Interstate Commerce Commission. Wage Statistics, Class I Steam Railways in the United States. [Washington]: [s.n.], 1933.
MLA (9th ed.) CitationUnited States. Interstate Commerce Commission. Wage Statistics, Class I Steam Railways in the United States. [s.n.], 1933.
Warning: These citations may not always be 100% accurate.