Kew Olen M., Wright Peter F., Agol Vadim I., Delpeyroux Francis, Shimizu Hiroyuki, Nathanson Neal, & Pallansch Mark A. (2004). Circulating vaccine-derived polioviruses: Current state of knowledge. The World Health Organization.
Chicago Style (17th ed.) CitationKew Olen M., Wright Peter F., Agol Vadim I., Delpeyroux Francis, Shimizu Hiroyuki, Nathanson Neal, and Pallansch Mark A. Circulating Vaccine-derived Polioviruses: Current State of Knowledge. The World Health Organization, 2004.
MLA (9th ed.) CitationKew Olen M., et al. Circulating Vaccine-derived Polioviruses: Current State of Knowledge. The World Health Organization, 2004.
Warning: These citations may not always be 100% accurate.