Cita APA

U.S. Geological Survey, U. (1964). American Mineralogist, vol.49, (7-12).

Chicago Edition Citation

U.S. Geological Survey, U.S.A. American Mineralogist, Vol.49, (7-12). U.S. Geological Survey, U.S.A, 1964.

Cita MLA

U.S. Geological Survey, U.S.A. American Mineralogist, Vol.49, (7-12). 1964.