Style de citation APA (7e éd.)

Gaines, R. E., & Mawhin, J. L. (1977). Coincidence degree, and nonlinear differential equations. Springer-Verlag.

Style de citation Chicago (17e éd.)

Gaines, Robert E., et Jean L. Mawhin. Coincidence Degree, and Nonlinear Differential Equations. Berlín: Springer-Verlag, 1977.

Style de citation MLA (9e éd.)

Gaines, Robert E., et Jean L. Mawhin. Coincidence Degree, and Nonlinear Differential Equations. Springer-Verlag, 1977.