Cita APA

Lutz, B. D., Bernhardt, E. S., & Schlesinger, W. H. (2013). The Environmental Price Tag on a Ton of Mountaintop Removal Coal. Public Library of Science.

Chicago Style Citation

Lutz, Brian D., Emily S. Bernhardt, i William H. Schlesinger. The Environmental Price Tag On a Ton of Mountaintop Removal Coal. Public Library of Science, 2013.

Cita MLA

Lutz, Brian D., Emily S. Bernhardt, i William H. Schlesinger. The Environmental Price Tag On a Ton of Mountaintop Removal Coal. Public Library of Science, 2013.