Cita APA (7a ed.)

Hospital of Westminster. Symposium & Wastell, C. (1974). Westminster Hospital Symposium on Chronic Duodenal Ulcer. Butterworths.

Cita Chicago Style (17a ed.)

Hospital of Westminster. Symposium y Christopher Wastell. Westminster Hospital Symposium on Chronic Duodenal Ulcer. London: Butterworths, 1974.

Cita MLA (9a ed.)

Hospital of Westminster. Symposium y Christopher Wastell. Westminster Hospital Symposium on Chronic Duodenal Ulcer. Butterworths, 1974.