APA (7th ed.) Citation

Clark, L. J., & Trelawny, J. G. S. (1984). Lewis Clark's Field guide to wild flowers of forest & woodland in the Pacific Northwest (2nd ed.). Douglas & McIntyre ; University of Washington Press.

Chicago Style (17th ed.) Citation

Clark, Lewis J., and John G. S. Trelawny. Lewis Clark's Field Guide to Wild Flowers of Forest & Woodland in the Pacific Northwest. 2nd ed. Vancouver : Seattle: Douglas & McIntyre ; University of Washington Press, 1984.

MLA (9th ed.) Citation

Clark, Lewis J., and John G. S. Trelawny. Lewis Clark's Field Guide to Wild Flowers of Forest & Woodland in the Pacific Northwest. 2nd ed. Douglas & McIntyre ; University of Washington Press, 1984.