APA (7th ed.) Citation

Rafferty, J. P., & Skordilis, T. (2018). Learn about bacteriologist Alexander Fleming and the development and use of penicilin. Encyclopedia Britannica.

Chicago Style (17th ed.) Citation

Rafferty, John P., and Tianna Skordilis. Learn About Bacteriologist Alexander Fleming and the Development and Use of Penicilin. Chicago, IL: Encyclopedia Britannica, 2018.

MLA (9th ed.) Citation

Rafferty, John P., and Tianna Skordilis. Learn About Bacteriologist Alexander Fleming and the Development and Use of Penicilin. Encyclopedia Britannica, 2018.