APA (7th ed.) Citation

De Giorgi, E., & Colombini, F. (1989). Partial differential equations and the calculus of variations: Essays in honor of Ennio De Giorgi. Birkhäuser.

Chicago Style (17th ed.) Citation

De Giorgi, Ennio, and F. Colombini. Partial Differential Equations and the Calculus of Variations: Essays in Honor of Ennio De Giorgi. Boston: Birkhäuser, 1989.

MLA (9th ed.) Citation

De Giorgi, Ennio, and F. Colombini. Partial Differential Equations and the Calculus of Variations: Essays in Honor of Ennio De Giorgi. Birkhäuser, 1989.