(1989). Mineral deposits and geology of Central Colorado: Red Rocks Park to Cripple Creek, Colorado, July 2 - 8, 1989. American Geophysical Union.
Chicago-Zitierstil (17. Ausg.)Mineral Deposits and Geology of Central Colorado: Red Rocks Park to Cripple Creek, Colorado, July 2 - 8, 1989. Washington, DC: American Geophysical Union, 1989.
MLA-Zitierstil (9. Ausg.)Mineral Deposits and Geology of Central Colorado: Red Rocks Park to Cripple Creek, Colorado, July 2 - 8, 1989. American Geophysical Union, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.