APA ציטוט

Simonson, W. (2020). Vitamin D and Coronavirus. Geriatr Nurs.

Citação norma Chicago

Simonson, William. "Vitamin D and Coronavirus." Geriatr Nurs 2020.

ציטוט MLA

Simonson, William. "Vitamin D and Coronavirus." Geriatr Nurs 2020.