एपीए उद्धरण

Society of Economic Geologists. (1949). Economic Geology vol.44, Nos.1-8.

शिकागो स्टाइल उद्धरण

Society of Economic Geologists. Economic Geology Vol.44, Nos.1-8. Society of Economic Geologists, 1949.

एमएलए उद्धरण

Society of Economic Geologists. Economic Geology Vol.44, Nos.1-8. 1949.