APA (7th ed.) Citation

Sharnoff, S. (2014). A field guide to California lichens. Yale University Press.

Chicago Style (17th ed.) Citation

Sharnoff, Stephen. A Field Guide to California Lichens. New Haven: Yale University Press, 2014.

MLA (9th ed.) Citation

Sharnoff, Stephen. A Field Guide to California Lichens. Yale University Press, 2014.