Cita APA (7a ed.)

(1911). Annual report of the director of the United States Geological Survey to the Secretary of the Interior: For the fiscal year ended june 30 .. Government Printing Office.

Cita Chicago Style (17a ed.)

Annual Report of the Director of the United States Geological Survey to the Secretary of the Interior: For the Fiscal Year Ended June 30 .. Washington: Government Printing Office, 1911.

Cita MLA (8a ed.)

Annual Report of the Director of the United States Geological Survey to the Secretary of the Interior: For the Fiscal Year Ended June 30 .. Government Printing Office, 1911.