Hitchcock, C. L., & Cronquist, A. (1973). Flora of the Pacific Northwest: An illustrated manual. University of Washington Press.
Chicago Style (17th ed.) CitationHitchcock, C. Leo, and Arthur Cronquist. Flora of the Pacific Northwest: An Illustrated Manual. Seattle: University of Washington Press, 1973.
MLA (8th ed.) CitationHitchcock, C. Leo, and Arthur Cronquist. Flora of the Pacific Northwest: An Illustrated Manual. University of Washington Press, 1973.
Warning: These citations may not always be 100% accurate.