Cita APA

Society of Economic Geologists. (1925). Economic Geology Vol.20 Nos.1-8.

Chicago Edition Citation

Society of Economic Geologists. Economic Geology Vol.20 Nos.1-8. Economic Geology Publishing Co, 1925.

Cita MLA

Society of Economic Geologists. Economic Geology Vol.20 Nos.1-8. 1925.