APA način citiranja

Isaia, G., & Medico, E. (2020). Associations between hypovitaminosis D and COVID-19: A narrative review. Aging Clin Exp Res.

Čikaški stil citiranja

Isaia, Giancarlo, i Enzo Medico. "Associations between Hypovitaminosis D and COVID-19: A Narrative Review." Aging Clin Exp Res 2020.

MLA način citiranja

Isaia, Giancarlo, i Enzo Medico. "Associations between Hypovitaminosis D and COVID-19: A Narrative Review." Aging Clin Exp Res 2020.