Cita APA (7a ed.)

McDonald, W. I., & Silberberg, D. H. (1986). Multiple sclerosis. Butterworths.

Cita Chicago Style (17a ed.)

McDonald, W. Ian, y Donald H. Silberberg. Multiple Sclerosis. London: Butterworths, 1986.

Cita MLA (9a ed.)

McDonald, W. Ian, y Donald H. Silberberg. Multiple Sclerosis. Butterworths, 1986.