APA (7th ed.) Citation

Brown, C. A. (1937). Ferns and flowering plants of Isle Royale, Michigan. [Emergency Conservation Work (Civilian Conservation Corps)].

Chicago Style (17th ed.) Citation

Brown, Clair A. Ferns and Flowering Plants of Isle Royale, Michigan. [Washington, D.C. : United States Department of the Interior, National Park Service]: [Emergency Conservation Work (Civilian Conservation Corps)], 1937.

MLA (9th ed.) Citation

Brown, Clair A. Ferns and Flowering Plants of Isle Royale, Michigan. [Emergency Conservation Work (Civilian Conservation Corps)], 1937.