APA način citiranja (7. izdanje)

Calayag, K. (2021). Sinovac vaccines here end of February – Palace. Manila Times.

Čikaški stil citiranja (17. izdanje)

Calayag, Keith. "Sinovac Vaccines Here End of February – Palace." Manila Times 2021.

MLA način citiranja (9. izdanje)

Calayag, Keith. "Sinovac Vaccines Here End of February – Palace." Manila Times, 2021.