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..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Preuss, Charles, و 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Preuss, Charles, و 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.