MLA

Christopher R. Chapple, William D. Steers, et al. Practical Urology: Essential Principles and Practice. Springer London, 2011.

APA

Christopher R. Chapple, W. D. Steers, Chapple, C., Chapple, C. R, & Steers, W. D. (2011). Practical Urology: Essential Principles and Practice. Springer London.

Chicago

Christopher R. Chapple, William D. Steers, C.R Chapple, Christopher R Chapple, and William D Steers. Practical Urology: Essential Principles and Practice. : Springer London, 2011.