Citazione Stile APA (7a Edizione)
Birmingham, R. A. (2010). Spirits of earth: The effigy mound landscape of Madison and the Four Lakes. University of Wisconsin Press.
Citazione stile Chigago Style (17a edizione)
Birmingham, Robert A. Spirits of Earth: The Effigy Mound Landscape of Madison and the Four Lakes. Madison, Wis.: University of Wisconsin Press, 2010.
Citatione MLA (9a ed.)
Birmingham, Robert A. Spirits of Earth: The Effigy Mound Landscape of Madison and the Four Lakes. University of Wisconsin Press, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.