Clark, W., Clark, J., & Holmberg, J. J. (2002). Dear brother: Letters of William Clark to Jonathan Clark. Yale University Press, in association with the Filson Historical Society.
Style de citation Chicago (17e éd.)Clark, William, Jonathan Clark, et James J. Holmberg. Dear Brother: Letters of William Clark to Jonathan Clark. New Haven: Yale University Press, in association with the Filson Historical Society, 2002.
Style de citation MLA (8e éd.)Clark, William, et al. Dear Brother: Letters of William Clark to Jonathan Clark. Yale University Press, in association with the Filson Historical Society, 2002.
Attention : ces citations peuvent ne pas être correctes à 100%.