Zomlefer. Southeastern Grasslands. The University of Alabama Press.
Citazione stile Chigago Style (17a edizione)Zomlefer. Southeastern Grasslands. The University of Alabama Press.
Citatione MLA (9a ed.)Zomlefer. Southeastern Grasslands. The University of Alabama Press.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.