United States. Forest Service. (1907). Green book, instructions relating to salaries, travel and field expenses, cost keeping, property accountability, and preparation of accounts in accordance with fiscal regulations. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. Forest Service. Green Book, Instructions Relating to Salaries, Travel and Field Expenses, Cost Keeping, Property Accountability, and Preparation of Accounts in Accordance with Fiscal Regulations. [Washington, D.C.]: U.S. Government Printing Office, 1907.
MLA (9th ed.) CitationUnited States. Forest Service. Green Book, Instructions Relating to Salaries, Travel and Field Expenses, Cost Keeping, Property Accountability, and Preparation of Accounts in Accordance with Fiscal Regulations. U.S. Government Printing Office, 1907.