APA (7th ed.) Citation

Hayes, D. W., & Garrison, G. A. (1960). Key to important woody plants of eastern Oregon and Washington. U.S. Department of Agriculture.

Chicago Style (17th ed.) Citation

Hayes, Doris W., and George A. Garrison. Key to Important Woody Plants of Eastern Oregon and Washington. Washington, DC: U.S. Department of Agriculture, 1960.

MLA (9th ed.) Citation

Hayes, Doris W., and George A. Garrison. Key to Important Woody Plants of Eastern Oregon and Washington. U.S. Department of Agriculture, 1960.