APA (7th ed.) Citation

Geological Survey (U.S.) & United States. Forest Service. (1989). National atlas (Reviewed 1987, revisions to Alaska only.). The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and United States. Forest Service. National Atlas. Reviewed 1987, revisions to Alaska only. Reston, Va.: The Survey, 1989.

MLA (9th ed.) Citation

Geological Survey (U.S.) and United States. Forest Service. National Atlas. Reviewed 1987, revisions to Alaska only. The Survey, 1989.