APA format:

Genetic Science Learning Center. (2014, July 10) Cloning. Retrieved July 20, 2018, from https://learn.genetics.utah.edu/content/cloning/

CSE format:

Cloning [Internet]. Salt Lake City (UT): Genetic Science Learning Center; 2014 [cited 2018 Jul 20] Available from https://learn.genetics.utah.edu/content/cloning/

Chicago format:

Genetic Science Learning Center. "Cloning." Learn.Genetics. July 10, 2014. Accessed July 20, 2018. https://learn.genetics.utah.edu/content/cloning/.