APA (7th ed.) Citation

United States. Bureau of Mines. (1939). Time study analyses, progress report 2. Quarry haulage. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Time Study Analyses, Progress Report 2. Quarry Haulage. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Bureau of Mines. Time Study Analyses, Progress Report 2. Quarry Haulage. [s.n.], 1939.

Warning: These citations may not always be 100% accurate.