Hill, C. C. (1958). Spring flowers of the lower Columbia Valley. University of Washington Press.
Style de citation Chicago (17e éd.)Hill, Clara Chapman. Spring Flowers of the Lower Columbia Valley. Seattle: University of Washington Press, 1958.
Style de citation MLA (8e éd.)Hill, Clara Chapman. Spring Flowers of the Lower Columbia Valley. University of Washington Press, 1958.
Attention : ces citations peuvent ne pas être correctes à 100%.