Ashley, W. H., & Morgan, D. L. (1954). The diary of William H. Ashley, March 25-June 27, 1825: A record of exploration west across the Continental Divide, down the Green River and into the Great Basin. Missouri Historical Society.
Style de citation Chicago (17e éd.)Ashley, William Henry, et Dale L. Morgan. The Diary of William H. Ashley, March 25-June 27, 1825: A Record of Exploration West Across the Continental Divide, Down the Green River and into the Great Basin. [St. Louis: Missouri Historical Society, 1954.
Style de citation MLA (8e éd.)Ashley, William Henry, et Dale L. Morgan. The Diary of William H. Ashley, March 25-June 27, 1825: A Record of Exploration West Across the Continental Divide, Down the Green River and into the Great Basin. Missouri Historical Society, 1954.