APA (7th ed.) Citation

Viereck, L. A. (1992). The Alaska vegetation classification. United States Department of Agriculture, Forest Service, Pacific Northwest Research Station.

Chicago Style (17th ed.) Citation

Viereck, Leslie A. The Alaska Vegetation Classification. Portland, Oregon: United States Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1992.

MLA (8th ed.) Citation

Viereck, Leslie A. The Alaska Vegetation Classification. United States Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1992.