Hitchcock, C. L. (1955). Vascular plants of the Pacific Northwest. University of Washington Press.
Style de citation Chicago (17e éd.)Hitchcock, C. Leo. Vascular Plants of the Pacific Northwest. Seattle: University of Washington Press, 1955.
Style de citation MLA (8e éd.)Hitchcock, C. Leo. Vascular Plants of the Pacific Northwest. University of Washington Press, 1955.
Attention : ces citations peuvent ne pas être correctes à 100%.