APA (7th ed.) Citation

Ghoussoub, N. (1993). Duality and perturbation methods in critical point theory. Cambridge University Press.

Chicago Style (17th ed.) Citation

Ghoussoub, N. Duality and Perturbation Methods in Critical Point Theory. Cambridge [England] ; New York: Cambridge University Press, 1993.

MLA (8th ed.) Citation

Ghoussoub, N. Duality and Perturbation Methods in Critical Point Theory. Cambridge University Press, 1993.