APA (7th ed.) Citation

Penn, E. b. T. B. a. C. Antigenic variation in infectious disease. IRL Press.

Chicago Style (17th ed.) Citation

Penn, Edited by T.H. Birkbeck and C.W. Antigenic Variation in Infectious Disease. IRL Press.

MLA (8th ed.) Citation

Penn, Edited by T.H. Birkbeck and C.W. Antigenic Variation in Infectious Disease. IRL Press.

Warning: These citations may not always be 100% accurate.