APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Mawhin, J., and Michel Willem. Critical Point Theory and Hamiltonian Systems / Jean Mawhin, Michel Willem. Springer-Verlag, 1989.

Warning: These citations may not always be 100% accurate.