Cita APA

LeDuc, J. W., & Barry, M. A. (2004). SARS, the First Pandemic of the 21st Century. Centers for Disease Control and Prevention.

Chicago Style Citation

LeDuc, James W., i M. Anita Barry. SARS, the First Pandemic of the 21st Century. Centers for Disease Control and Prevention, 2004.

Cita MLA

LeDuc, James W., i M. Anita Barry. SARS, the First Pandemic of the 21st Century. Centers for Disease Control and Prevention, 2004.