APA (7th ed.) Citation

Crane, W. R. (1929). Rock bursts in Lake Superior copper mines, Keweenaw Point, Mich. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Crane, Walter R. Rock Bursts in Lake Superior Copper Mines, Keweenaw Point, Mich. [Washington?]: U.S. Government Printing Office, 1929.

MLA (9th ed.) Citation

Crane, Walter R. Rock Bursts in Lake Superior Copper Mines, Keweenaw Point, Mich. U.S. Government Printing Office, 1929.