Cita APA (7a ed.)

Gutiérrez Galiana, H., Falconi, L., Gutiérrez Blanco, H., & Praderi, L. (1981). Crohn's Ulcerative Colitis. Colectomy. Ileostomy. Ilecsigmoidostomy: Evolutive Evaluation.

Cita Chicago Style (17a ed.)

Gutiérrez Galiana, Horacio, Luis Falconi, Horacio Gutiérrez Blanco, y Luis Praderi. Crohn's Ulcerative Colitis. Colectomy. Ileostomy. Ilecsigmoidostomy: Evolutive Evaluation. 1981.

Cita MLA (9a ed.)

Gutiérrez Galiana, Horacio, et al. Crohn's Ulcerative Colitis. Colectomy. Ileostomy. Ilecsigmoidostomy: Evolutive Evaluation. 1981.