Cita APA (7a ed.)

Gray, D., Gray, D. W. R., & Morris, P. (1984). Experimental pancreatic islet treansplantation.

Cita Chicago Style (17a ed.)

Gray, D., D. W. R. Gray, y P. Morris. Experimental Pancreatic Islet Treansplantation. 1984.

Cita MLA (9a ed.)

Gray, D., et al. Experimental Pancreatic Islet Treansplantation. 1984.