Nonlinear Analysis and Boundary Value Problems
  MLA
  Area, et al. Nonlinear Analysis and Boundary Value Problems. Springer International Publishing, 2019.
  APA
  Area, A., Area, I., Cabada, A., Cid, J. Ángel, Franco, D., Liz, E., López Pouso, R., & Rodríguez-López, R. (2019). Nonlinear Analysis and Boundary Value Problems. Springer International Publishing.
  Chicago
  Area, Iván Area, Alberto Cabada, José Ángel Cid, Daniel Franco, Eduardo Liz, Rodrigo López Pouso, and Rosana Rodríguez-López. Nonlinear Analysis and Boundary Value Problems. : Springer International Publishing, 2019.