एपीए उद्धरण

Alla, F., Berlin, I., Nguyen-Thanh, V., Guignard, R., Pasquereau, A., Quelet, S., . . . Arwidson, P. (2020). Tobacco and COVID-19: A crisis within a crisis? Can J Public Health.

शिकागो स्टाइल उद्धरण

Alla, François, Ivan Berlin, Viet Nguyen-Thanh, Romain Guignard, Anne Pasquereau, Sylvie Quelet, Michaël Schwarzinger, और Pierre Arwidson. "Tobacco and COVID-19: A Crisis Within a Crisis?" Can J Public Health 2020.

एमएलए उद्धरण

Alla, François, et al. "Tobacco and COVID-19: A Crisis Within a Crisis?" Can J Public Health 2020.