MLA

Lewis, John, et al. Regularity Estimates for Nonlinear Elliptic and Parabolic Problems. Springer Berlin Heidelberg, 2012.

APA

Lewis, J., Lindqvist, P., Gianazza, U. Pietro, Manfredi, J. J, & Salsa, S. (2012). Regularity Estimates for Nonlinear Elliptic and Parabolic Problems. Springer Berlin Heidelberg.

Chicago

Lewis, John, Peter Lindqvist, Ugo Pietro Gianazza, Juan J Manfredi, and Sandro Salsa. Regularity Estimates for Nonlinear Elliptic and Parabolic Problems. : Springer Berlin Heidelberg, 2012.