Citação norma APA

Loudon, I. (2007). An early Medical Research Council controlled trial of vitamins for preventing infection. The Royal Society of Medicine.

Citação norma Chicago

Loudon, Irvine. An Early Medical Research Council Controlled Trial of Vitamins for Preventing Infection. The Royal Society of Medicine, 2007.

Citação norma MLA

Loudon, Irvine. An Early Medical Research Council Controlled Trial of Vitamins for Preventing Infection. The Royal Society of Medicine, 2007.

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