APA (7th ed.) Citation

Gardner, E. D., & Mosier, M. (1941). Open-cut metal mining. U.S. Govt. print. off..

Chicago Style (17th ed.) Citation

Gardner, Eugene Delos, and McHenry Mosier. Open-cut Metal Mining. Washington: U.S. Govt. print. off., 1941.

MLA (8th ed.) Citation

Gardner, Eugene Delos, and McHenry Mosier. Open-cut Metal Mining. U.S. Govt. print. off., 1941.

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