APA (7th ed.) Citation

Brodo, I. M., Sharnoff, S. D., & Sharnoff, S. (2001). Lichens of North America. Yale University Press.

Chicago Style (17th ed.) Citation

Brodo, Irwin M., Sylvia Duran Sharnoff, and Stephen Sharnoff. Lichens of North America. New Haven, Conn.: Yale University Press, 2001.

MLA (9th ed.) Citation

Brodo, Irwin M., et al. Lichens of North America. Yale University Press, 2001.