Bullard, L. (2004). Healing waters: Missouri's historic mineral springs and spas. University of Missouri Press.
Citazione stile Chigago Style (17a edizione)Bullard, Loring. Healing Waters: Missouri's Historic Mineral Springs and Spas. Columbia: University of Missouri Press, 2004.
Citatione MLA (9a ed.)Bullard, Loring. Healing Waters: Missouri's Historic Mineral Springs and Spas. University of Missouri Press, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.