Style de citation APA (7e éd.)

Fonseca, I., & Gangbo, W. (1995). Degree theory in analysis and applications. Clarendon Press.

Style de citation Chicago (17e éd.)

Fonseca, Irene, et Wilfrid Gangbo. Degree Theory in Analysis and Applications. Oxford: Clarendon Press, 1995.

Style de citation MLA (9e éd.)

Fonseca, Irene, et Wilfrid Gangbo. Degree Theory in Analysis and Applications. Clarendon Press, 1995.