एपीए उद्धरण

Golubitsky, M., Schaeffer, D. G., & Stewart, I. (1985). Singularities and groups in bifurcation theory. New York: Springer-Verlag.

शिकागो स्टाइल उद्धरण

Golubitsky, Martin, David G. Schaeffer, और Ian Stewart. Singularities and Groups in Bifurcation Theory. New York: Springer-Verlag, 1985.

एमएलए उद्धरण

Golubitsky, Martin, David G. Schaeffer, और Ian Stewart. Singularities and Groups in Bifurcation Theory. New York: Springer-Verlag, 1985.