Cita APA (7a ed.)

Golubitsky, M., & Schaeffer, D. G. (1985). Singularities and groups in bifurcation theory. Springer.

Cita Chicago Style (17a ed.)

Golubitsky, Martin, y David G. Schaeffer. Singularities and Groups in Bifurcation Theory. New York [etc.]: Springer, 1985.

Cita MLA (9a ed.)

Golubitsky, Martin, y David G. Schaeffer. Singularities and Groups in Bifurcation Theory. Springer, 1985.