Citação norma APA

van der Palen, J., Monninkhof, E., van der Valk, P., Sullivan, S. D., & Veenstra, D. L. (2006). Cost effectiveness of inhaled steroid withdrawal in outpatients with chronic obstructive pulmonary disease. BMJ Group.

Citação norma Chicago

van der Palen, J., E. Monninkhof, P. van der Valk, S D. Sullivan, and D L. Veenstra. Cost Effectiveness of Inhaled Steroid Withdrawal in Outpatients With Chronic Obstructive Pulmonary Disease. BMJ Group, 2006.

Citação norma MLA

van der Palen, J., et al. Cost Effectiveness of Inhaled Steroid Withdrawal in Outpatients With Chronic Obstructive Pulmonary Disease. BMJ Group, 2006.

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