MLA

Gullo, Antonino, et al. Perioperative and Critical Care Medicine. Springer Milan, 2006.

APA

Gullo, A., Berlot, G., Berlot, G.Gullo, A. (2006). Perioperative and Critical Care Medicine. Springer Milan.

Chicago

Gullo, Antonino, G Berlot, Giorgio Berlot, and A Gullo. Perioperative and Critical Care Medicine. : Springer Milan, 2006.