Basics

MLA

Gullo, A, et al. Basics. Springer Milan, 2009.

APA

Gullo, A., Astuto, M., Astuto, M., & Salvo, I. (2009). Basics. Springer Milan.

Chicago

Gullo, A., M Astuto, Marinella Astuto, and I Salvo. Basics. : Springer Milan, 2009.