Cita APA

Delitto, A., Piva, S. R., Patterson, C. G., & Welch, W. (2015). Surgery Versus Nonsurgical Treatment of Lumbar Spinal Stenosis. Ann Intern Med.

Citación estilo Chicago

Delitto, Anthony, Sara R. Piva, Charity G. Patterson, y William Welch. "Surgery Versus Nonsurgical Treatment of Lumbar Spinal Stenosis." Ann Intern Med 2015.

Cita MLA

Delitto, Anthony, Sara R. Piva, Charity G. Patterson, y William Welch. "Surgery Versus Nonsurgical Treatment of Lumbar Spinal Stenosis." Ann Intern Med 2015.