APA način citiranja

Duncan, A. E. (2022). Commentary: Cardiac surgery and coronavirus disease 2019 (COVID-19): Lessons learned in Italy—the hard way. J Thorac Cardiovasc Surg.

Čikaški stil citiranja

Duncan, Andra E. "Commentary: Cardiac Surgery and Coronavirus Disease 2019 (COVID-19): Lessons Learned in Italy—the Hard Way." J Thorac Cardiovasc Surg 2022.

MLA način citiranja

Duncan, Andra E. "Commentary: Cardiac Surgery and Coronavirus Disease 2019 (COVID-19): Lessons Learned in Italy—the Hard Way." J Thorac Cardiovasc Surg 2022.