Style de citation APA (7e éd.)

Schopmeyer, C. S. (1974). Seeds of woody plants in the United States. Forest Service.

Style de citation Chicago (17e éd.)

Schopmeyer, C. S. Seeds of Woody Plants in the United States. Washington, D.C: Forest Service, 1974.

Style de citation MLA (9e éd.)

Schopmeyer, C. S. Seeds of Woody Plants in the United States. Forest Service, 1974.