Cita APA (7a ed.)

Asiner, B., & Praderi, R. (1971). Treatment of duodenal obstruction by gallstone.

Cita Chicago Style (17a ed.)

Asiner, Boris, y Raul Praderi. Treatment of Duodenal Obstruction by Gallstone. 1971.

Cita MLA (9a ed.)

Asiner, Boris, y Raul Praderi. Treatment of Duodenal Obstruction by Gallstone. 1971.