(1985). Mineral resources of the Chama-Southern San Juan Mountains Wilderness study area, mineral, Rio Grande, Archuleta, and Conejos Counties, Colorado. US Gov. Print. Off.
Chicago-Zitierstil (17. Ausg.)Mineral Resources of the Chama-Southern San Juan Mountains Wilderness Study Area, Mineral, Rio Grande, Archuleta, and Conejos Counties, Colorado. Washington: US Gov. Print. Off, 1985.
MLA-Zitierstil (9. Ausg.)Mineral Resources of the Chama-Southern San Juan Mountains Wilderness Study Area, Mineral, Rio Grande, Archuleta, and Conejos Counties, Colorado. US Gov. Print. Off, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.