Sun, X.; Wandelt, S.; Fricke, H.; Rosenow, J.
The Impact of COVID-19 on Air Transportation Network in the United States, Europe, and China. Sustainability 2021, 13, 9656.
https://doi.org/10.3390/su13179656
AMA Style
Sun X, Wandelt S, Fricke H, Rosenow J.
The Impact of COVID-19 on Air Transportation Network in the United States, Europe, and China. Sustainability. 2021; 13(17):9656.
https://doi.org/10.3390/su13179656
Chicago/Turabian Style
Sun, Xiaoqian, Sebastian Wandelt, Hartmut Fricke, and Judith Rosenow.
2021. "The Impact of COVID-19 on Air Transportation Network in the United States, Europe, and China" Sustainability 13, no. 17: 9656.
https://doi.org/10.3390/su13179656
APA Style
Sun, X., Wandelt, S., Fricke, H., & Rosenow, J.
(2021). The Impact of COVID-19 on Air Transportation Network in the United States, Europe, and China. Sustainability, 13(17), 9656.
https://doi.org/10.3390/su13179656