APA   Click to copy
Popov, A. A., Sandu, A., Nino-Ruiz, E. D., & Evensen, G. (2020). A Stochastic Covariance Shrinkage Approach in Ensemble Transform Kalman Filtering. Tellus A.

Chicago/Turabian   Click to copy
Popov, Andrey A, Adrian Sandu, Elias D Nino-Ruiz, and Geir Evensen. “A Stochastic Covariance Shrinkage Approach in Ensemble Transform Kalman Filtering.” Tellus A (2020).

MLA   Click to copy
Popov, Andrey A., et al. “A Stochastic Covariance Shrinkage Approach in Ensemble Transform Kalman Filtering.” Tellus A, 2020.

@article{popov2020a,
  title = {A Stochastic Covariance Shrinkage Approach in Ensemble Transform Kalman Filtering},
  year = {2020},
  journal = {Tellus A},
  author = {Popov, Andrey A and Sandu, Adrian and Nino-Ruiz, Elias D and Evensen, Geir}
}