Cita APA (7a ed.)

Geological Survey (U.S.). (1914). Shorter contributions to general geology, 1913-. Govt. print. off..

Cita Chicago Style (17a ed.)

Geological Survey (U.S.). Shorter Contributions to General Geology, 1913-. Washington: Govt. print. off., 1914.

Cita MLA (8a ed.)

Geological Survey (U.S.). Shorter Contributions to General Geology, 1913-. Govt. print. off., 1914.

Precaución: Estas citas no son 100% exactas.