Zbar, A. P., & Wexner, S. D. (2010). Coloproctology. Springer.
Chicago Style (17th ed.) CitationZbar, Andrew P., and Steven D. Wexner. Coloproctology. London: Springer, 2010.
MLA (8th ed.) CitationZbar, Andrew P., and Steven D. Wexner. Coloproctology. Springer, 2010.
Warning: These citations may not always be 100% accurate.