APA (7th ed.) Citation

Howard, G. E. (1950). Lichens of the State of Washington. University of Washington.

Chicago Style (17th ed.) Citation

Howard, Grace E. Lichens of the State of Washington. Seattle: University of Washington, 1950.

MLA (9th ed.) Citation

Howard, Grace E. Lichens of the State of Washington. University of Washington, 1950.

Warning: These citations may not always be 100% accurate.