Bsumek, . E. M., & Bsumek, E. M. (2013). Nation-states and the global environment: New approaches to international environmental history. New York, NY: Oxford University Press.
Trích dẫn kiểu ChicagoBsumek, Erika Marie, và Erika Marie Bsumek. Nation-states and the Global Environment: New Approaches to International Environmental History. New York, NY: Oxford University Press, 2013.
MLA引文Bsumek, Erika Marie, và Erika Marie Bsumek. Nation-states and the Global Environment: New Approaches to International Environmental History. New York, NY: Oxford University Press, 2013.
警告：这些引文格式不一定是100％准确.