MLA

Boffi, Daniele, et al. Mixed Finite Element Methods and Applications. Dordrecht: Springer Berlin Heidelberg, 2013.

APA

Boffi, D., Boffi, B., Brezzi, F., & Fortin, M. (2013). Mixed Finite Element Methods and Applications. Dordrecht: Springer Berlin Heidelberg.

Chicago

Boffi, Daniele, Boffi, Franco Brezzi, Michel Fortin, and Michel Fortin. Mixed Finite Element Methods and Applications. Dordrecht: Springer Berlin Heidelberg, 2013.