MLA

Kimbrough, Steven O, et al. Formal Modelling In Electronic Commerce. Springer Berlin Heidelberg, 2005.

APA

Kimbrough, S. O, Kimbrough, S., Wu, D. J, & Wu, D. (2005). Formal Modelling in Electronic Commerce. Springer Berlin Heidelberg.

Chicago

Kimbrough, Steven O., Steve Kimbrough, D. J Wu, and Dongjun Wu. Formal Modelling In Electronic Commerce. : Springer Berlin Heidelberg, 2005.