Cita APA (7a ed.)

Bortagaray, C. A., & de Fino, A. (2020). Sigmoid perforation by foreign body ingested.

Cita Chicago Style (17a ed.)

Bortagaray, Carlos A., y Antonio de Fino. Sigmoid Perforation by Foreign Body Ingested. 2020.

Cita MLA (9a ed.)

Bortagaray, Carlos A., y Antonio de Fino. Sigmoid Perforation by Foreign Body Ingested. 2020.