United States. Department of the Interior & United States. Department of the Interior. Office of Administrative Services. (1986). The Secretaries of the Department of the Interior. The Office.
Chicago Style (17th ed.) CitationUnited States. Department of the Interior and United States. Department of the Interior. Office of Administrative Services. The Secretaries of the Department of the Interior. Washington, D.C.: The Office, 1986.
MLA (9th ed.) CitationUnited States. Department of the Interior and United States. Department of the Interior. Office of Administrative Services. The Secretaries of the Department of the Interior. The Office, 1986.
Warning: These citations may not always be 100% accurate.