Cita APA

Prohaska, J. V., Dragstedt, L. R., & Thompson, R. G. (1961). Ulcerative Colitis: Surgical Problems in Corticosteroid-Treated Patients.

Citación estilo Chicago

Prohaska, John V., Lester R. Dragstedt, y Richard G. Thompson. Ulcerative Colitis: Surgical Problems in Corticosteroid-Treated Patients. 1961.

Cita MLA

Prohaska, John V., Lester R. Dragstedt, y Richard G. Thompson. Ulcerative Colitis: Surgical Problems in Corticosteroid-Treated Patients. 1961.