The composition of some unzoned pegmatites in the Keystone District, South Dakota
MLA
Orville, Philip M. The Composition of Some Unzoned Pegmatites In the Keystone District, South Dakota. New Haven, Conn.: Yale University, 1957
APA, 7th edition
Orville, P. M. (1957). The composition of some unzoned pegmatites in the Keystone District, South Dakota. New Haven, Conn.: Yale University
Chicago, 17th edition
Orville, Philip M. The composition of some unzoned pegmatites in the Keystone District, South Dakota. New Haven, Conn.: Yale University, 1957