APA (7th ed.) Citation

Gentile, I., Maraolo, A., Piscitelli, P., & Colao, A. (2020). COVID-19: Time for Post-Exposure Prophylaxis? International journal of environmental research and public health, 17(11), 3997. https://doi.org/10.3390/ijerph17113997

Chicago Style (17th ed.) Citation

Gentile, Ivan, Alberto Maraolo, Prisco Piscitelli, and Annamaria Colao. "COVID-19: Time for Post-Exposure Prophylaxis?" International Journal of Environmental Research and Public Health 17, no. 11 (2020): 3997. https://doi.org/10.3390/ijerph17113997.

MLA (9th ed.) Citation

Gentile, Ivan, et al. "COVID-19: Time for Post-Exposure Prophylaxis?" International Journal of Environmental Research and Public Health, vol. 17, no. 11, 2020, p. 3997, https://doi.org/10.3390/ijerph17113997.