Citação norma APA

van der Molen, T. (2010). Co-morbidities of COPD in primary care: Frequency, relation to COPD, and treatment consequences. Prim Care Respir J.

Citação norma Chicago

van der Molen, Thys. "Co-morbidities of COPD in Primary Care: Frequency, Relation to COPD, and Treatment Consequences." Prim Care Respir J 2010.

Citação norma MLA

van der Molen, Thys. "Co-morbidities of COPD in Primary Care: Frequency, Relation to COPD, and Treatment Consequences." Prim Care Respir J 2010.

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