Cita APA (7a ed.)

Dumortier, F., Rodrigues, P. R., & Roussarie, R. (1981). Germs of diffeomorphisms in the plane. Springer-Verlag.

Cita Chicago Style (17a ed.)

Dumortier, Freddy, Paulo R. Rodrigues, y Robert Roussarie. Germs of Diffeomorphisms in the Plane. Berlin New York: Springer-Verlag, 1981.

Cita MLA (9a ed.)

Dumortier, Freddy, et al. Germs of Diffeomorphisms in the Plane. Springer-Verlag, 1981.