APA aipamena

Sleeman, K., Knox, K., George, R., Miller, E., Waight, P., Griffiths, D., . . . Crook, D. (2001). Invasive pneumococcal disease in England and Wales: Vaccination implications.

Chicago Style aipamena

Sleeman, K., et al. Invasive Pneumococcal Disease in England and Wales: Vaccination Implications. 2001.

MLA aipamena

Sleeman, K., et al. Invasive Pneumococcal Disease in England and Wales: Vaccination Implications. 2001.