Shackelford, R. (1955). Surgery of the alimentary tract.
Cita Chicago Style (17a ed.)Shackelford, Richard. Surgery of the Alimentary Tract. 1955.
Cita MLA (9a ed.)Shackelford, Richard. Surgery of the Alimentary Tract. 1955.
Precaución: Estas citas no son 100% exactas.