Cita APA

U.S. Geological Survey, U. (1957). American Mineralogist, vol.42, (1-12).

Chicago Edition Citation

U.S. Geological Survey, U.S.A. American Mineralogist, Vol.42, (1-12). U.S. Geological Survey, U.S.A, 1957.

Cita MLA

U.S. Geological Survey, U.S.A. American Mineralogist, Vol.42, (1-12). 1957.