Cita APA (7a ed.)

Hal, J. a. (1972). Forest fuels, prescribed fire, and air quality. Pacific Northwest Forest and Range Experiment Station Forest Service U.S. Department of Agriculture Portland.

Cita Chicago Style (17a ed.)

Hal, J. alfred. Forest Fuels, Prescribed Fire, and Air Quality. Oregon: Pacific Northwest Forest and Range Experiment Station Forest Service U.S. Department of Agriculture Portland, 1972.

Cita MLA (9a ed.)

Hal, J. alfred. Forest Fuels, Prescribed Fire, and Air Quality. Pacific Northwest Forest and Range Experiment Station Forest Service U.S. Department of Agriculture Portland, 1972.