Cita APA (7a ed.)

Villegas, A. H., & Viola, A. R. (2020). Giant bullous emphysema. Surgical treatment: Pathophysiology and indications.

Cita Chicago Style (17a ed.)

Villegas, Alejandro H., y Angel R. Viola. Giant Bullous Emphysema. Surgical Treatment: Pathophysiology and Indications. 2020.

Cita MLA (9a ed.)

Villegas, Alejandro H., y Angel R. Viola. Giant Bullous Emphysema. Surgical Treatment: Pathophysiology and Indications. 2020.