APA (7th ed.) Citation

RW, P., EA, D., CL, G., TL, G., JD, H., & L, L. (2012). Climate change impacts of US reactive nitrogen. Proceedings of the National Academy of Sciences of the United States of America, 109(20), 7671. https://doi.org/10.1073/pnas.1114243109

Chicago Style (17th ed.) Citation

RW, Pinder, Davidson EA, Goodale CL, Greaver TL, Herrick JD, and Liu L. "Climate Change Impacts of US Reactive Nitrogen." Proceedings of the National Academy of Sciences of the United States of America 109, no. 20 (2012): 7671. https://doi.org/10.1073/pnas.1114243109.

MLA (9th ed.) Citation

RW, Pinder, et al. "Climate Change Impacts of US Reactive Nitrogen." Proceedings of the National Academy of Sciences of the United States of America, vol. 109, no. 20, 2012, p. 7671, https://doi.org/10.1073/pnas.1114243109.