APA Style

Ryan, K, J. (1994). Sherris Medical Microbiology An Introduction to Infectious Diseases (3rd edn.). East Norwalk,Connecticut: Prentice Hall International inc.

MLA Style

Ryan, Kenneth, J.. "Sherris Medical Microbiology An Introduction to Infectious Diseases". 3rd edn. East Norwalk,Connecticut: Prentice Hall International inc, 1994. Text.