Cita APA (7a ed.)

Juusela, E., & Penttilä, V. (1961). Billroth II gastrectomy in the treatment of gastroduodenal ulcer: A clinical based on 725 cases. Duodecim.

Cita Chicago Style (17a ed.)

Juusela, Eero, y V. Penttilä. Billroth II Gastrectomy in the Treatment of Gastroduodenal Ulcer: A Clinical Based on 725 Cases. Helsinki: Duodecim, 1961.

Cita MLA (8a ed.)

Juusela, Eero, y V. Penttilä. Billroth II Gastrectomy in the Treatment of Gastroduodenal Ulcer: A Clinical Based on 725 Cases. Duodecim, 1961.