APA (7th ed.) Citation

Fink, B. (1935). The lichen flora of the United States. University of Michigan.

Chicago Style (17th ed.) Citation

Fink, Bruce. The Lichen Flora of the United States. Ann Arbor: University of Michigan, 1935.

MLA (9th ed.) Citation

Fink, Bruce. The Lichen Flora of the United States. University of Michigan, 1935.