MLA

Bass, H, et al. An Introduction to the Heisenberg Group and the Sub-riemannian Isoperimetric Problem. Birkhäuser Basel, 2007.

APA

Bass, H., Capogna, L., Oesterlé, J., Tyson, J. T, Danielli, D., Pauls, S. D, & Tyson, J. (2007). An Introduction to the Heisenberg Group and the Sub-Riemannian Isoperimetric Problem. Birkhäuser Basel.

Chicago

Bass, H., Luca Capogna, J Oesterlé, Jeremy T Tyson, Donatella Danielli, Scott D Pauls, and Jeremy Tyson. An Introduction to the Heisenberg Group and the Sub-Riemannian Isoperimetric Problem. : Birkhäuser Basel, 2007.