APA (7th ed.) Citation

Gillett, G. W., & Oswald, V. H. (1995). A flora of Lassen Volcanic National Park, California (Revision.). California Native Plant Society.

Chicago Style (17th ed.) Citation

Gillett, George Willson, and Vernon H. Oswald. A Flora of Lassen Volcanic National Park, California. Revision. Sacramento, CA: California Native Plant Society, 1995.

MLA (9th ed.) Citation

Gillett, George Willson, and Vernon H. Oswald. A Flora of Lassen Volcanic National Park, California. Revision. California Native Plant Society, 1995.