Cita APA (7a ed.)

Parkman, F., Daugherty, J., & Van Doren, M. (1967). The Oregon trail (1st ed., 17th print.). Holt, Rinehart and Winston.

Cita Chicago Style (17a ed.)

Parkman, Francis, James Daugherty, y Mark Van Doren. The Oregon Trail. 1st ed., 17th print. New York: Holt, Rinehart and Winston, 1967.

Cita MLA (9a ed.)

Parkman, Francis, et al. The Oregon Trail. 1st ed., 17th print. Holt, Rinehart and Winston, 1967.