Hill, B., & Hill, R. (1975). Indian petroglyphs of the Pacific Northwest. University of Washington Press.
Style de citation Chicago (17e éd.)Hill, Beth, et Ray Hill. Indian Petroglyphs of the Pacific Northwest. Seattle: University of Washington Press, 1975.
Style de citation MLA (8e éd.)Hill, Beth, et Ray Hill. Indian Petroglyphs of the Pacific Northwest. University of Washington Press, 1975.
Attention : ces citations peuvent ne pas être correctes à 100%.