APA (7th ed.) Citation

United States. Forest Service & Garrison, G. A. Vegetation and environmental features of forest and range ecosystems.

Chicago Style (17th ed.) Citation

United States. Forest Service and George A. Garrison. Vegetation and Environmental Features of Forest and Range Ecosystems.

MLA (9th ed.) Citation

United States. Forest Service and George A. Garrison. Vegetation and Environmental Features of Forest and Range Ecosystems.

Warning: These citations may not always be 100% accurate.