Clark, C., Buchwald, D., MacIntyre, A., Sharpe, M., & Wessely, S. (2002). Chronic fatigue syndrome: A step towards agreement.
Citazione stile Chigago Style (17a edizione)Clark, C., D. Buchwald, A. MacIntyre, M. Sharpe, e S. Wessely. Chronic Fatigue Syndrome: A Step Towards Agreement. 2002.
Citatione MLA (9a ed.)Clark, C., et al. Chronic Fatigue Syndrome: A Step Towards Agreement. 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.