Cite
ESA UGI (Unified-GNSS-Ionosphere): An open-source software to compute precise ionosphere estimates.
MLA
Orus-Perez, R., et al. “ESA UGI (Unified-GNSS-Ionosphere): An Open-Source Software to Compute Precise Ionosphere Estimates.” Advances in Space Research, vol. 67, no. 1, Jan. 2021, pp. 56–65. EBSCOhost, https://doi.org/10.1016/j.asr.2020.09.011.
APA
Orus-Perez, R., Nava, B., Parro, J., & Kashcheyev, A. (2021). ESA UGI (Unified-GNSS-Ionosphere): An open-source software to compute precise ionosphere estimates. Advances in Space Research, 67(1), 56–65. https://doi.org/10.1016/j.asr.2020.09.011
Chicago
Orus-Perez, R., B. Nava, J. Parro, and A. Kashcheyev. 2021. “ESA UGI (Unified-GNSS-Ionosphere): An Open-Source Software to Compute Precise Ionosphere Estimates.” Advances in Space Research 67 (1): 56–65. doi:10.1016/j.asr.2020.09.011.