United States. Forest Service. (1915). Telephone construction and maintenance on national forests; instructions for forest officers. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Forest Service. Telephone Construction and Maintenance on National Forests; Instructions for Forest Officers. Washington: U.S. GPO, 1915.
MLA (9th ed.) CitationUnited States. Forest Service. Telephone Construction and Maintenance on National Forests; Instructions for Forest Officers. U.S. GPO, 1915.
Warning: These citations may not always be 100% accurate.