Style de citation APA (7e éd.)

Ryan, J. C. (1994). State of the Northwest. Northwest Environment Watch.

Style de citation Chicago (17e éd.)

Ryan, John C. State of the Northwest. Seattle, Wash.: Northwest Environment Watch, 1994.

Style de citation MLA (8e éd.)

Ryan, John C. State of the Northwest. Northwest Environment Watch, 1994.

Attention : ces citations peuvent ne pas être correctes à 100%.