APA (7th ed.) Citation

(1974). Opportunistic pathogens: Fourth Annual Symposium of the Eastern Pennsylvania Branch of the American Soc. for Microbiology, held in Philadelphia. Macmillan.

Chicago Style (17th ed.) Citation

Opportunistic Pathogens: Fourth Annual Symposium of the Eastern Pennsylvania Branch of the American Soc. for Microbiology, Held in Philadelphia. London: Macmillan, 1974.

MLA (9th ed.) Citation

Opportunistic Pathogens: Fourth Annual Symposium of the Eastern Pennsylvania Branch of the American Soc. for Microbiology, Held in Philadelphia. Macmillan, 1974.