APA

Fonseca I., Leoni G., . (2007). Modern methods in the calculus of variations. New York: Springer.

Chicago

Fonseca Irene, Leoni Giovanni, . 2007. Modern methods in the calculus of variations. New York: Springer.

Harvard

Fonseca I., Leoni G., . (2007). Modern methods in the calculus of variations. New York: Springer.

MLA

Fonseca Irene, Leoni Giovanni, . Modern methods in the calculus of variations. New York: Springer. 2007.