Coloproctology

MLA

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

APA

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

Chicago

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