(1913). Schedule: Department of (the Interior) Commerce Bureau of Mines. Government Printing Office.
Chicago-Zitierstil (17. Ausg.)Schedule: Department of (the Interior) Commerce Bureau of Mines. Washington: Government Printing Office, 1913.
MLA-Zitierstil (9. Ausg.)Schedule: Department of (the Interior) Commerce Bureau of Mines. Government Printing Office, 1913.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.