Weber, M. (2011). Correspondence (letter to the editor): Many Questions Remained Unanswered. Deutscher Arzte Verlag.
Citação norma ChicagoWeber, Monika. Correspondence (letter to the Editor): Many Questions Remained Unanswered. Deutscher Arzte Verlag, 2011.
Citação norma MLAWeber, Monika. Correspondence (letter to the Editor): Many Questions Remained Unanswered. Deutscher Arzte Verlag, 2011.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.