APA aipamena

Pollard, A., Booy, R., Nadel, S., & Levin, M. (1996). Secondary cases of meningococcal disease.

Chicago Style aipamena

Pollard, A., R. Booy, S. Nadel, and M. Levin. Secondary Cases of Meningococcal Disease. 1996.

MLA aipamena

Pollard, A., et al. Secondary Cases of Meningococcal Disease. 1996.