MLA

Buttazzo, Giuseppe, et al. Optimal Urban Networks Via Mass Transportation. Springer Berlin Heidelberg, 2009.

APA

Buttazzo, G., Pratelli, A., Solimini, S., & Stepanov, E. (2009). Optimal Urban Networks via Mass Transportation. Springer Berlin Heidelberg.

Chicago

Buttazzo, Giuseppe, Aldo Pratelli, Sergio Solimini, and Eugene Stepanov. Optimal Urban Networks Via Mass Transportation. : Springer Berlin Heidelberg, 2009.