Cita APA

Nelson, G. E., Gershman, K. A., Swerdlow, D. L., Beall, B. W., & Moore, M. R. (2012). Invasive Pneumococcal Disease and Pandemic (H1N1) 2009, Denver, Colorado, USA. Centers for Disease Control and Prevention.

Citación estilo Chicago

Nelson, George E., Kenneth A. Gershman, David L. Swerdlow, Bernard W. Beall, y Matthew R. Moore. Invasive Pneumococcal Disease and Pandemic (H1N1) 2009, Denver, Colorado, USA. Centers for Disease Control and Prevention, 2012.

Cita MLA

Nelson, George E., et al. Invasive Pneumococcal Disease and Pandemic (H1N1) 2009, Denver, Colorado, USA. Centers for Disease Control and Prevention, 2012.