APA (7th ed.) Citation

(1990). Environmental changes in the Tule Lake Basin, Siskiyou and Modoc Counties, California, from 3 to 2 million years before present. United States Gov. Print. Off.

Chicago Style (17th ed.) Citation

Environmental Changes in the Tule Lake Basin, Siskiyou and Modoc Counties, California, from 3 to 2 Million Years Before Present. Washington: United States Gov. Print. Off, 1990.

MLA (9th ed.) Citation

Environmental Changes in the Tule Lake Basin, Siskiyou and Modoc Counties, California, from 3 to 2 Million Years Before Present. United States Gov. Print. Off, 1990.