Ferris, W. A., & Phillips, P. C. (1940). Life in the Rocky mountains: A diary of wanderings on the sources of the rivers Missouri, Columbia, and Colorado from February, 1830, to November, 1835. F. A. Rosenstock, The Old West publishing company.
Cita Chicago Style (17a ed.)Ferris, Warren Angus, y Paul C. Phillips. Life in the Rocky Mountains: A Diary of Wanderings on the Sources of the Rivers Missouri, Columbia, and Colorado from February, 1830, to November, 1835. Denver, Col.: F. A. Rosenstock, The Old West publishing company, 1940.
Cita MLA (8a ed.)Ferris, Warren Angus, y Paul C. Phillips. Life in the Rocky Mountains: A Diary of Wanderings on the Sources of the Rivers Missouri, Columbia, and Colorado from February, 1830, to November, 1835. F. A. Rosenstock, The Old West publishing company, 1940.