APA (7th ed.) Citation

Sigafoos, R. S., & Hendricks, E. L. (1961). Botanical evidence of the modern history of Nisqually Glacier, Washington. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Sigafoos, Robert Sumner, and E. L. Hendricks. Botanical Evidence of the Modern History of Nisqually Glacier, Washington. Washington: U.S. Govt. Print. Off, 1961.

MLA (9th ed.) Citation

Sigafoos, Robert Sumner, and E. L. Hendricks. Botanical Evidence of the Modern History of Nisqually Glacier, Washington. U.S. Govt. Print. Off, 1961.