Cita APA (7a ed.)

Xuan, X., Khan, K., Su, C., & Khurshid, A. (2021). Will COVID-19 Threaten the Survival of the Airline Industry? MDPI AG.

Cita Chicago Style (17a ed.)

Xuan, Xiao, Khalid Khan, Chi-Wei Su, y Adnan Khurshid. Will COVID-19 Threaten the Survival of the Airline Industry? MDPI AG, 2021.

Cita MLA (8a ed.)

Xuan, Xiao, et al. Will COVID-19 Threaten the Survival of the Airline Industry? MDPI AG, 2021.