Cita APA (7a ed.)

Delgado Pereira, B. (2020). About purpose of a case of sigmoid-rectal invagination from the anus, caused by rectosigmoid carcinoma.

Cita Chicago Style (17a ed.)

Delgado Pereira, Bolívar. About Purpose of a Case of Sigmoid-rectal Invagination from the Anus, Caused by Rectosigmoid Carcinoma. 2020.

Cita MLA (9a ed.)

Delgado Pereira, Bolívar. About Purpose of a Case of Sigmoid-rectal Invagination from the Anus, Caused by Rectosigmoid Carcinoma. 2020.