APA   Click to copy
Kim, J. M., Lee, N., & Xiao, X. (2019). Directional dependence between major cities in China based on copula regression on air pollution measurement. PLOS ONE , 14(3). https://doi.org/10.1371/journal.pone.0213148

Chicago/Turabian   Click to copy
Kim, J. M., N Lee, and X. Xiao. “Directional Dependence between Major Cities in China Based on Copula Regression on Air Pollution Measurement.” PLOS ONE 14, no. 3 (2019).

MLA   Click to copy
Kim, J. M., et al. “Directional Dependence between Major Cities in China Based on Copula Regression on Air Pollution Measurement.” PLOS ONE , vol. 14, no. 3, 2019, doi:10.1371/journal.pone.0213148.

@article{kim2019a,
  title = {Directional dependence between major cities in China based on copula regression on air pollution measurement},
  year = {2019},
  issue = {3},
  journal = {PLOS ONE },
  volume = {14},
  doi = {10.1371/journal.pone.0213148},
  author = {Kim, J. M. and Lee, N and Xiao, X.}
}