Cita APA (7a ed.)

Bergan, J. J., & Shortell, C. K. (2007). Venous ulcers. Elsevier Academic Press.

Cita Chicago Style (17a ed.)

Bergan, John J., y Cynthia K. Shortell. Venous Ulcers. Amsterdam ; Boston: Elsevier Academic Press, 2007.

Cita MLA (9a ed.)

Bergan, John J., y Cynthia K. Shortell. Venous Ulcers. Elsevier Academic Press, 2007.