APA (7th ed.) Citation

De Giorgi, E., & Ambrosio, L. (2006). Selected papers. Springer.

Chicago Style (17th ed.) Citation

De Giorgi, Ennio, and Luigi Ambrosio. Selected Papers. Berlin ; New York: Springer, 2006.

MLA (9th ed.) Citation

De Giorgi, Ennio, and Luigi Ambrosio. Selected Papers. Springer, 2006.