Strong, E. M., Strong, R., Beals, H. K., & Lewis, M. (1995). Seeking western waters: The Lewis and Clark trail from the Rockies to the Pacific. Oregon Historical Society.
Style de citation Chicago (17e éd.)Strong, Emory M., Ruth Strong, H. K. Beals, et Meriwether Lewis. Seeking Western Waters: The Lewis and Clark Trail from the Rockies to the Pacific. Portland: Oregon Historical Society, 1995.
Style de citation MLA (8e éd.)Strong, Emory M., et al. Seeking Western Waters: The Lewis and Clark Trail from the Rockies to the Pacific. Oregon Historical Society, 1995.
Attention : ces citations peuvent ne pas être correctes à 100%.