Preuss, C., & Frémont, J. C. (1849). Topographical map of the road from Missouri to Oregon commencing at the mouth of the Kansas in the Missouri River and ending at the mouth of the Wallah Wallah in the Columbia: In VII sections ... Lithogr. by E. Weber & Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPreuss, Charles, और John Charles Frémont. Topographical Map of the Road from Missouri to Oregon Commencing at the Mouth of the Kansas in the Missouri River and Ending at the Mouth of the Wallah Wallah in the Columbia: In VII Sections ... Baltimore: Lithogr. by E. Weber & Co., 1849.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPreuss, Charles, और John Charles Frémont. Topographical Map of the Road from Missouri to Oregon Commencing at the Mouth of the Kansas in the Missouri River and Ending at the Mouth of the Wallah Wallah in the Columbia: In VII Sections ... Lithogr. by E. Weber & Co., 1849.