Cita APA (7a ed.)

Ryan, J. C. (2000). State of the Northwest (Rev. 2000 ed.). Northwest Environment Watch.

Cita Chicago Style (17a ed.)

Ryan, John C. State of the Northwest. Rev. 2000 ed. Seattle, WA: Northwest Environment Watch, 2000.

Cita MLA (8a ed.)

Ryan, John C. State of the Northwest. Rev. 2000 ed. Northwest Environment Watch, 2000.

Precaución: Estas citas no son 100% exactas.