Cita APA (7th ed.)

Russell, R. (2020). Covid-19 and COPD: A personal reflection. Dove Medical Press.

Cita Chicago (17th ed.)

Russell, R. Covid-19 and COPD: A Personal Reflection. Dove Medical Press, 2020.

Cita MLA (9th ed.)

Russell, R. Covid-19 and COPD: A Personal Reflection. Dove Medical Press, 2020.

Atenció: Aquestes cites poden no estar 100% correctes.