Cita APA (7a ed.)

Alvi, M. Z., Sattar, M., Cheema, F. A., & Awan, U. A. (2021). COVID-19 vaccine hesitancy: Do's and Don'ts for the hardest-hit countries. Elsevier.

Cita Chicago Style (17a ed.)

Alvi, Mohammad Zaheer-ud-din, Mudassar Sattar, Fatima Amir Cheema, y Usman Ayub Awan. COVID-19 Vaccine Hesitancy: Do's and Don'ts for the Hardest-hit Countries. Elsevier, 2021.

Cita MLA (8a ed.)

Alvi, Mohammad Zaheer-ud-din, et al. COVID-19 Vaccine Hesitancy: Do's and Don'ts for the Hardest-hit Countries. Elsevier, 2021.