APA (7th ed.) Citation

Trigg, W. M. (1971). Fire season climatic zones of mainland Alaska. Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Trigg, William M. Fire Season Climatic Zones of Mainland Alaska. Portland, Or.: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1971.

MLA (9th ed.) Citation

Trigg, William M. Fire Season Climatic Zones of Mainland Alaska. Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1971.