Cita APA

Mawhin, J., & Willem, M. (1989). Critical point theory and Hamiltonian systems. Springer-Verlag.

Citación estilo Chicago

Mawhin, J., and Michel Willem. Critical Point Theory and Hamiltonian Systems. New York: Springer-Verlag, 1989.

Cita MLA

Mawhin, J., and Michel Willem. Critical Point Theory and Hamiltonian Systems. New York: Springer-Verlag, 1989.