APA-Zitierstil (7. Ausg.)

United States Geological Survey. (1997). U.S. Geological Survey Activities: Related to American Indians and Alaska Natives ; fiscal year .. USGS.

Chicago-Zitierstil (17. Ausg.)

United States Geological Survey. U.S. Geological Survey Activities: Related to American Indians and Alaska Natives ; Fiscal Year .. [Reston, Va.]: USGS, 1997.

MLA-Zitierstil (9. Ausg.)

United States Geological Survey. U.S. Geological Survey Activities: Related to American Indians and Alaska Natives ; Fiscal Year .. USGS, 1997.