APA (7th ed.) Citation

United States. Forest Service. (1940). Short trips to national forests in land of Coronado [13 forests in U.S. southwest]. [s.n.].

Chicago Style (17th ed.) Citation

United States. Forest Service. Short Trips to National Forests in Land of Coronado [13 Forests in U.S. Southwest]. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

United States. Forest Service. Short Trips to National Forests in Land of Coronado [13 Forests in U.S. Southwest]. [s.n.], 1940.