APA aipamena

Vollum, R. L., & Griffiths, P. W. W. (1962). An experiment in the prevention of meningococcal meningitis in Nigeria.

Chicago Style aipamena

Vollum, R. L., and P. W. W. Griffiths. An Experiment in the Prevention of Meningococcal Meningitis in Nigeria. 1962.

MLA aipamena

Vollum, R. L., and P. W. W. Griffiths. An Experiment in the Prevention of Meningococcal Meningitis in Nigeria. 1962.