APA (7th ed.) Citation

Parkman, F., Weiser, N., & Vogel, M. G. (1979). The Oregon trail. Moby books.

Chicago Style (17th ed.) Citation

Parkman, Francis, Norman Weiser, and Malvina G. Vogel. The Oregon Trail. New York: Moby books, 1979.

MLA (9th ed.) Citation

Parkman, Francis, et al. The Oregon Trail. Moby books, 1979.

Warning: These citations may not always be 100% accurate.