Cita APA (7a ed.)
Richards, J. F. (2003). The unending frontier: An environmental history of the early modern world by. University of California Press.
Cita Chicago Style (17a ed.)
Richards, John F. The Unending Frontier: An Environmental History of the Early Modern World by. Berkeley: University of California Press, 2003.
Cita MLA (9a ed.)
Richards, John F. The Unending Frontier: An Environmental History of the Early Modern World by. University of California Press, 2003.
Precaución: Estas citas no son 100% exactas.