APA (7th ed.) Citation

United States. Forest Service. (1990). Tongass National Forest, 1973 (Rev. 1990.). The Service.

Chicago Style (17th ed.) Citation

United States. Forest Service. Tongass National Forest, 1973. Rev. 1990. [Juneau, Alaska?]: The Service, 1990.

MLA (9th ed.) Citation

United States. Forest Service. Tongass National Forest, 1973. Rev. 1990. The Service, 1990.

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