APA-Zitierstil (7. Ausg.)

Birgand, G., Mutters, N. T., Otter, J., Eichel, V., Lepelletier, D., Morgan, D. J., & Lucet, J. (2021). Variation of national and international guidelines on respiratory protection for health care professionals during the COVID-19 pandemic. JAMA network open, 4(8), . https://doi.org/10.1001/jamanetworkopen.2021.19257

Chicago-Zitierstil (17. Ausg.)

Birgand, Gabriel, Nico T. Mutters, Jonathan Otter, Vanessa Eichel, Didier Lepelletier, Daniel J. Morgan, und Jean-Christophe Lucet. "Variation of National and International Guidelines on Respiratory Protection for Health Care Professionals During the COVID-19 Pandemic." JAMA Network Open 4, no. 8 (2021). https://doi.org/10.1001/jamanetworkopen.2021.19257.

MLA-Zitierstil (9. Ausg.)

Birgand, Gabriel, et al. "Variation of National and International Guidelines on Respiratory Protection for Health Care Professionals During the COVID-19 Pandemic." JAMA Network Open, vol. 4, no. 8, 2021, https://doi.org/10.1001/jamanetworkopen.2021.19257.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.