Cita APA (7a ed.)

Parkman, F. (1885). The Oregon Trail: Sketches of prairie and rocky-mountaiin life (8th ed. rev.). Macmillan.

Cita Chicago Style (17a ed.)

Parkman, Francis. The Oregon Trail: Sketches of Prairie and Rocky-mountaiin Life. 8th ed. rev. London: Macmillan, 1885.

Cita MLA (8a ed.)

Parkman, Francis. The Oregon Trail: Sketches of Prairie and Rocky-mountaiin Life. 8th ed. rev. Macmillan, 1885.