Cita APA

Vega, S. (1982). Does vitamin A prevent smokers from developing lung cancer?

Chicago Style Citation

Vega, Sileny. Does Vitamin A Prevent Smokers From Developing Lung Cancer? 1982.

Cita MLA

Vega, Sileny. Does Vitamin A Prevent Smokers From Developing Lung Cancer? 1982.

Atenció: Aquestes cites poden no estar 100% correctes.