APA (7th ed.) Citation

Van Pelt, R. (1996). Champion trees of Washington State ([4th ed.].). Washington State Big Tree Program in association with University of Washington Press.

Chicago Style (17th ed.) Citation

Van Pelt, Robert. Champion Trees of Washington State. [4th ed.]. Seattle: Washington State Big Tree Program in association with University of Washington Press, 1996.

MLA (8th ed.) Citation

Van Pelt, Robert. Champion Trees of Washington State. [4th ed.]. Washington State Big Tree Program in association with University of Washington Press, 1996.

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