Citação norma APA

(1999). Exclusive breast feeding is protective against asthma and atopy in children. British Medical Journal.

Citação norma Chicago

Exclusive Breast Feeding Is Protective against Asthma and Atopy in Children. British Medical Journal, 1999.

Citação norma MLA

Exclusive Breast Feeding Is Protective against Asthma and Atopy in Children. British Medical Journal, 1999.

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