MLA

Tonolini, Massimo, and Giovanni Maconi. Imaging of Perianal Inflammatory Diseases. Dordrecht: Springer Milan, 2013.

APA

Tonolini, M., & Maconi, G. (2013). Imaging of Perianal Inflammatory Diseases. Dordrecht: Springer Milan.

Chicago

Tonolini, Massimo, and Giovanni Maconi. Imaging of Perianal Inflammatory Diseases. Dordrecht: Springer Milan, 2013.