Cita APA (7th ed.)

Ambrosetti, A. (2011). An introduction to nonlinear functional analysis and elliptic problems. Birkhäuser Boston, MA. https://doi.org/10.1007/978-0-8176-8114-2

Cita Chicago (17th ed.)

Ambrosetti, A. An Introduction to Nonlinear Functional Analysis and Elliptic Problems. Boston, Massachusetts: Birkhäuser Boston, MA, 2011. https://doi.org/10.1007/978-0-8176-8114-2.

Cita MLA (9th ed.)

Ambrosetti, A. An Introduction to Nonlinear Functional Analysis and Elliptic Problems. Birkhäuser Boston, MA, 2011. https://doi.org/10.1007/978-0-8176-8114-2.