APA (7th ed.) Citation

(1919). Vacation trips in the Cochetopa National Forest. (Government Printing Office).

Chicago Style (17th ed.) Citation

Vacation Trips in the Cochetopa National Forest. (Washington): (Government Printing Office), 1919.

MLA (9th ed.) Citation

Vacation Trips in the Cochetopa National Forest. (Government Printing Office), 1919.

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