APA-referens

Johnston, N. W., McIvor, A., N, K. L. R., Greene, J. M., Hussac, P., de Verdier, M. G., . . . Jenkins, M. (2010). The Christmas season as a risk factor for chronic obstructive pulmonary disease exacerbations. Pulsus Group Inc.

Chicago-stil citat

Johnston, Neil W., et al. The Christmas Season As a Risk Factor for Chronic Obstructive Pulmonary Disease Exacerbations. Pulsus Group Inc, 2010.

MLA-referens

Johnston, Neil W., et al. The Christmas Season As a Risk Factor for Chronic Obstructive Pulmonary Disease Exacerbations. Pulsus Group Inc, 2010.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.