Sohn, I. G. (1983). Ostracodes of the "Winifrede Limestone", middle Pennsylvanian, in the region of the proposed Pennsylvanian system stratotype, West Virginia. Paleontolog. Research Inst.
Chicago-Zitierstil (17. Ausg.)Sohn, Israel Gregory. Ostracodes of the "Winifrede Limestone", Middle Pennsylvanian, in the Region of the Proposed Pennsylvanian System Stratotype, West Virginia. Ithaca, N.Y: Paleontolog. Research Inst, 1983.
MLA-Zitierstil (9. Ausg.)Sohn, Israel Gregory. Ostracodes of the "Winifrede Limestone", Middle Pennsylvanian, in the Region of the Proposed Pennsylvanian System Stratotype, West Virginia. Paleontolog. Research Inst, 1983.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.