Citação norma APA

Herbert, M. E., & Brewster, G. S. (2000). Myth: Codeine is an effective cough suppressant for upper respiratory tract infections. Copyright 2000 BMJ publishing Group.

Citação norma Chicago

Herbert, Mel E., and G Scott Brewster. Myth: Codeine Is an Effective Cough Suppressant for Upper Respiratory Tract Infections. Copyright 2000 BMJ publishing Group, 2000.

Citação norma MLA

Herbert, Mel E., and G Scott Brewster. Myth: Codeine Is an Effective Cough Suppressant for Upper Respiratory Tract Infections. Copyright 2000 BMJ publishing Group, 2000.

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