APA (7th ed.) Citation

Crawford, F. S. (1932). Safety organizations at Lake Superior iron mines. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Crawford, F. Stuart. Safety Organizations at Lake Superior Iron Mines. [Washington?]: U.S. Government Printing Office, 1932.

MLA (9th ed.) Citation

Crawford, F. Stuart. Safety Organizations at Lake Superior Iron Mines. U.S. Government Printing Office, 1932.