Style de citation APA (7e éd.)

Thompson, M., & Freeman, O. W. (1950). The conservation of Northwest resources. Northwest Conservation League.

Style de citation Chicago (17e éd.)

Thompson, Margaret, et Otis W. Freeman. The Conservation of Northwest Resources. Seattle: Northwest Conservation League, 1950.

Style de citation MLA (8e éd.)

Thompson, Margaret, et Otis W. Freeman. The Conservation of Northwest Resources. Northwest Conservation League, 1950.

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