Kier, P. M. (1980). The echinoids of the Middle Eocene Warley Hill formation, Santee limestone, and Castle Hayne limestone of North and South Carolina. Smithsonian Inst. Press.
Chicago-Zitierstil (17. Ausg.)Kier, Porter M. The Echinoids of the Middle Eocene Warley Hill Formation, Santee Limestone, and Castle Hayne Limestone of North and South Carolina. Washington, DC: Smithsonian Inst. Press, 1980.
MLA-Zitierstil (9. Ausg.)Kier, Porter M. The Echinoids of the Middle Eocene Warley Hill Formation, Santee Limestone, and Castle Hayne Limestone of North and South Carolina. Smithsonian Inst. Press, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.