Cita APA (7a ed.)

Galarraga, J., Arias, J., & de los Santos, J. (1975). Pseudotumoral colonic form of location of Crohn's disease.

Cita Chicago Style (17a ed.)

Galarraga, José, José Arias, y Julio de los Santos. Pseudotumoral Colonic Form of Location of Crohn's Disease. 1975.

Cita MLA (9a ed.)

Galarraga, José, et al. Pseudotumoral Colonic Form of Location of Crohn's Disease. 1975.