Waring, G. A. (1908). Geology and water resources of a portion of South-Central Oregon. Government Print. Off.
Chicago-Zitierstil (17. Ausg.)Waring, Gerald Ashley. Geology and Water Resources of a Portion of South-Central Oregon. Washington: Government Print. Off, 1908.
MLA-Zitierstil (9. Ausg.)Waring, Gerald Ashley. Geology and Water Resources of a Portion of South-Central Oregon. Government Print. Off, 1908.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.