APA-referens

Petzold, A., Eikelenboom, M., Keir, G., Grant, D., Lazeron, R., Polman, C., . . . Giovannoni, G. (2005). Axonal damage accumulates in the progressive phase of multiple sclerosis: Three year follow up study. BMJ Group.

Chicago-stil citat

Petzold, A., M. Eikelenboom, G. Keir, D. Grant, R. Lazeron, C. Polman, B. Uitdehaag, E. Thompson, och G. Giovannoni. Axonal Damage Accumulates in the Progressive Phase of Multiple Sclerosis: Three Year Follow Up Study. BMJ Group, 2005.

MLA-referens

Petzold, A., et al. Axonal Damage Accumulates in the Progressive Phase of Multiple Sclerosis: Three Year Follow Up Study. BMJ Group, 2005.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.