APA (7th ed.) Citation

Zhang, S., Wang, X., Hammarlund, E. U., Wang, H., Costa, M. M., Bjerrum, C. J., . . . Canfield, D. E. (2015). Orbital forcing of climate 1.4 billion years ago. Proceedings of the National Academy of Sciences - PNAS, 112(12), E1406-E1413. https://doi.org/10.1073/pnas.1502239112

Chicago Style (17th ed.) Citation

Zhang, Shuichang, et al. "Orbital Forcing of Climate 1.4 Billion Years Ago." Proceedings of the National Academy of Sciences - PNAS 112, no. 12 (2015): E1406-E1413. https://doi.org/10.1073/pnas.1502239112.

MLA (9th ed.) Citation

Zhang, Shuichang, et al. "Orbital Forcing of Climate 1.4 Billion Years Ago." Proceedings of the National Academy of Sciences - PNAS, vol. 112, no. 12, 2015, pp. E1406-E1413, https://doi.org/10.1073/pnas.1502239112.