APA   Click to copy
Ballard, T. C., Sinha, E., & Michalak, A. (2019). Long-Term Changes in Precipitation and Temperature Have Already Impacted Nitrogen Loading. Environmental Science and Technology.

Chicago/Turabian   Click to copy
Ballard, Tristan C, E. Sinha, and A. Michalak. “Long-Term Changes in Precipitation and Temperature Have Already Impacted Nitrogen Loading.” Environmental Science and Technology (2019).

MLA   Click to copy
Ballard, Tristan C., et al. “Long-Term Changes in Precipitation and Temperature Have Already Impacted Nitrogen Loading.” Environmental Science and Technology, 2019.

@article{tristan2019a,
  title = {Long-Term Changes in Precipitation and Temperature Have Already Impacted Nitrogen Loading.},
  year = {2019},
  journal = {Environmental Science and Technology},
  author = {Ballard, Tristan C and Sinha, E. and Michalak, A.}
}