Cita APA (7a ed.)

Torres, M., Avondet, I., Vázquez, J., & Santini, A. (1997). Cancer of the anal canal: A radiochemo curable neoplasm.

Cita Chicago Style (17a ed.)

Torres, Miguel, Isabel Avondet, Javier Vázquez, y Alejandro Santini. Cancer of the Anal Canal: A Radiochemo Curable Neoplasm. 1997.

Cita MLA (9a ed.)

Torres, Miguel, et al. Cancer of the Anal Canal: A Radiochemo Curable Neoplasm. 1997.