APA format:

Genetic Science Learning Center. (2022, May 12) Vaccines & Viruses. Retrieved September 23, 2022, from https://learn.genetics.utah.edu/content/viruses

CSE format:

Vaccines & Viruses [Internet]. Salt Lake City (UT): Genetic Science Learning Center; 2022 [cited 2022 Sep 23] Available from https://learn.genetics.utah.edu/content/viruses

Chicago format:

Genetic Science Learning Center. "Vaccines & Viruses." Learn.Genetics. May 12, 2022. Accessed September 23, 2022. https://learn.genetics.utah.edu/content/viruses.