Cita APA (7a ed.)

Palmer, T., & Avery, W. E. (2014). Field Guide to Oregon Rivers. Oregon State University Press.

Cita Chicago Style (17a ed.)

Palmer, Tim, y William E. Avery. Field Guide to Oregon Rivers. Corvallis: Oregon State University Press, 2014.

Cita MLA (8a ed.)

Palmer, Tim, y William E. Avery. Field Guide to Oregon Rivers. Oregon State University Press, 2014.