Cita APA (7th ed.)

Ebers, G., Sadovnick, A., & Veith, R. (2004). Vitamin D intake and incidence of multiple sclerosis.

Cita Chicago (17th ed.)

Ebers, G., A. Sadovnick, i R. Veith. Vitamin D Intake and Incidence of Multiple Sclerosis. 2004.

Cita MLA (9th ed.)

Ebers, G., et al. Vitamin D Intake and Incidence of Multiple Sclerosis. 2004.