APA (7th ed.) Citation

Purves, D., Scharlemann, J. P. W., Harfoot, M., Newbold, T., Tittensor, D. P., Hutton, J., & Emmott, S. (2013). Ecosystems: Time to model all life on Earth. Nature, 493(7432), 295. https://doi.org/10.1038/493295a

Chicago Style (17th ed.) Citation

Purves, Drew, Jörn P. W. Scharlemann, Mike Harfoot, Tim Newbold, Derek P. Tittensor, Jon Hutton, and Stephen Emmott. "Ecosystems: Time to Model All Life on Earth." Nature 493, no. 7432 (2013): 295. https://doi.org/10.1038/493295a.

MLA (9th ed.) Citation

Purves, Drew, et al. "Ecosystems: Time to Model All Life on Earth." Nature, vol. 493, no. 7432, 2013, p. 295, https://doi.org/10.1038/493295a.