Cita APA (7a ed.)

Steber, R., & Gray, D. (1993). Oregon Trail: Last of the pioneers (Commemorative ed.). Bonanza Pub..

Cita Chicago Style (17a ed.)

Steber, Rick, y Don Gray. Oregon Trail: Last of the Pioneers. Commemorative ed. Prineville, Or.: Bonanza Pub., 1993.

Cita MLA (8a ed.)

Steber, Rick, y Don Gray. Oregon Trail: Last of the Pioneers. Commemorative ed. Bonanza Pub., 1993.

Precaución: Estas citas no son 100% exactas.