APA (7th ed.) Citation

Zbar, A. P., & Wexner, S. D. (2010). Coloproctology. Springer-Verlag London.

Chicago Style (17th ed.) Citation

Zbar, Andrew P., and Steven D. Wexner. Coloproctology. London: Springer-Verlag London, 2010.

MLA (8th ed.) Citation

Zbar, Andrew P., and Steven D. Wexner. Coloproctology. Springer-Verlag London, 2010.