Παραπομπή APA

U.S. Geological Survey, U. (1959). American Mineralogist, vol.44, (1-12).

Παραπομπή Chicago Style

U.S. Geological Survey, U.S.A. American Mineralogist, Vol.44, (1-12). U.S. Geological Survey, U.S.A, 1959.

Παραπομπή MLA

U.S. Geological Survey, U.S.A. American Mineralogist, Vol.44, (1-12). 1959.