American Mining Congress & National Oil Shale Conference. (1921). American Mining Congress, Chicago, Illinois, Oct. 17-21, 1921. National Oil Shale Conference, October 18, 1921. Colorado School of Mines.
Chicago Style (17th ed.) CitationAmerican Mining Congress and National Oil Shale Conference. American Mining Congress, Chicago, Illinois, Oct. 17-21, 1921. National Oil Shale Conference, October 18, 1921. Golden, Col: Colorado School of Mines, 1921.
MLA (9th ed.) CitationAmerican Mining Congress and National Oil Shale Conference. American Mining Congress, Chicago, Illinois, Oct. 17-21, 1921. National Oil Shale Conference, October 18, 1921. Colorado School of Mines, 1921.
Warning: These citations may not always be 100% accurate.