APA (7th ed.) Citation

United States. Forest Service. (1999). Preliminary air quality related screening values for the James River Face Wilderness, a Class I area in Virginia. [U.S. Forest Service].

Chicago Style (17th ed.) Citation

United States. Forest Service. Preliminary Air Quality Related Screening Values for the James River Face Wilderness, a Class I Area in Virginia. [Washington, D.C.?]: [U.S. Forest Service], 1999.

MLA (9th ed.) Citation

United States. Forest Service. Preliminary Air Quality Related Screening Values for the James River Face Wilderness, a Class I Area in Virginia. [U.S. Forest Service], 1999.