APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

United States. Forest Service and C. S. Schopmeyer. Seeds of Woody Plants in the United States. Washington: Forest Service, U.S. Dept. of Agriculture, 1974.

MLA (9th ed.) Citation

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