APA (7th ed.) Citation

Umeh, C. A., & Onyi, S. C. (2014, September). Case based rubella surveillance in Abia State, South East Nigeria, 2007–2011. PeerJ.

Chicago Style (17th ed.) Citation

Umeh, Chukwuemeka Anthony, and Stella Chioma Onyi. "Case Based Rubella Surveillance in Abia State, South East Nigeria, 2007–2011." PeerJ Sep. 2014.

MLA (9th ed.) Citation

Umeh, Chukwuemeka Anthony, and Stella Chioma Onyi. "Case Based Rubella Surveillance in Abia State, South East Nigeria, 2007–2011." PeerJ, Sep. 2014.

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