APA (7th ed.) Citation

Geometronics Service Center (U.S.) & United States. Forest Service. (1981). Salmon National Forest (Cobalt, North Fork, Leadore and Salmon Ranger Districts) Idaho-Montana: Forest visitors map (Limited office rev. 1979. -- Scale [ca. 1:165,000] ; Polyconic proj. (W 11500'--W 11300'/N 4538'--N 4425').). The Center.

Chicago Style (17th ed.) Citation

Geometronics Service Center (U.S.) and United States. Forest Service. Salmon National Forest (Cobalt, North Fork, Leadore and Salmon Ranger Districts) Idaho-Montana: Forest Visitors Map. Limited office rev. 1979. -- Scale [ca. 1:165,000] ; Polyconic proj. (W 11500'--W 11300'/N 4538'--N 4425'). Salt Lake City, Utah: The Center, 1981.

MLA (9th ed.) Citation

Geometronics Service Center (U.S.) and United States. Forest Service. Salmon National Forest (Cobalt, North Fork, Leadore and Salmon Ranger Districts) Idaho-Montana: Forest Visitors Map. Limited office rev. 1979. -- Scale [ca. 1:165,000] ; Polyconic proj. (W 11500'--W 11300'/N 4538'--N 4425'). The Center, 1981.