Citação norma APA

Zwart, S., Sachs, A. P. E., Ruijs, G. J. H. M., Gubbels, J. W., Hoes, A. W., & de Melker, R. A. (2000). Penicillin for acute sore throat: Randomised double blind trial of seven days versus three days treatment or placebo in adults. British Medical Journal.

Citação norma Chicago

Zwart, Sjoerd, Alfred P E. Sachs, Gijs J H M. Ruijs, Jan W. Gubbels, Arno W. Hoes, and Ruut A. de Melker. Penicillin for Acute Sore Throat: Randomised Double Blind Trial of Seven Days Versus Three Days Treatment or Placebo in Adults. British Medical Journal, 2000.

Citação norma MLA

Zwart, Sjoerd, et al. Penicillin for Acute Sore Throat: Randomised Double Blind Trial of Seven Days Versus Three Days Treatment or Placebo in Adults. British Medical Journal, 2000.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.