Ransome, F. L. (1911). Geology and ore deposits of the Breckenridge district, Colorado. Government Printing Office.
Chicago-Zitierstil (17. Ausg.)Ransome, Frederick Leslie. Geology and Ore Deposits of the Breckenridge District, Colorado. Washington: Government Printing Office, 1911.
MLA-Zitierstil (9. Ausg.)Ransome, Frederick Leslie. Geology and Ore Deposits of the Breckenridge District, Colorado. Government Printing Office, 1911.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.