Citazione Stile APA (7a Edizione)

Ryan, K. J., & Ray, C. G. (2004). Sherris medical microbiology: An introduction to infectious diseases (4th ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Ryan, Kenneth J., e C. George Ray. Sherris Medical Microbiology: An Introduction to Infectious Diseases. 4th ed. New York: McGraw-Hill, 2004.

Citatione MLA (9a ed.)

Ryan, Kenneth J., e C. George Ray. Sherris Medical Microbiology: An Introduction to Infectious Diseases. 4th ed. McGraw-Hill, 2004.