Cita APA (7a ed.)

Gifford, B. A., Terrill, S., & Robinson, T. (2000). Oregon then & now. Westcliffe Publishers.

Cita Chicago Style (17a ed.)

Gifford, Benjamin A., Steve Terrill, y Thomas Robinson. Oregon Then & Now. Englewood, CO: Westcliffe Publishers, 2000.

Cita MLA (8a ed.)

Gifford, Benjamin A., et al. Oregon Then & Now. Westcliffe Publishers, 2000.

Precaución: Estas citas no son 100% exactas.