Potts, D. T. (1826). [Three letters in the Philadelphia Gazette and Daily Advertiser dated Rocky Mountains: July 16, 1826; Sweet Lake, July 8, 1827; and Sweet Water Lake, July 8, 1827]. Philadelphia gazettte and Daily Advertiser.
Chicago Style (17th ed.) CitationPotts, Daniel T. [Three Letters in the Philadelphia Gazette and Daily Advertiser Dated Rocky Mountains: July 16, 1826; Sweet Lake, July 8, 1827; and Sweet Water Lake, July 8, 1827]. Philadelphia, Pa: Philadelphia gazettte and Daily Advertiser, 1826.
MLA (8th ed.) CitationPotts, Daniel T. [Three Letters in the Philadelphia Gazette and Daily Advertiser Dated Rocky Mountains: July 16, 1826; Sweet Lake, July 8, 1827; and Sweet Water Lake, July 8, 1827]. Philadelphia gazettte and Daily Advertiser, 1826.
Warning: These citations may not always be 100% accurate.