APA (7th ed.) Citation

American Society for Microbiology. Eastern Pennsylvania Branch, Prier, J. E., & Friedman, H. S. (1974). Opportunistic pathogens. Macmillan.

Chicago Style (17th ed.) Citation

American Society for Microbiology. Eastern Pennsylvania Branch, James E. Prier, and Herman S. Friedman. Opportunistic Pathogens. [London]: Macmillan, 1974.

MLA (9th ed.) Citation

American Society for Microbiology. Eastern Pennsylvania Branch, et al. Opportunistic Pathogens. Macmillan, 1974.