APA (7th ed.) Citation

Kevorkian, J., & Cole, J. D. (1981). Perturbation methods in applied mathematics. Springer-Verlag.

Chicago Style (17th ed.) Citation

Kevorkian, J., and Julian D. Cole. Perturbation Methods in Applied Mathematics. New York: Springer-Verlag, 1981.

MLA (9th ed.) Citation

Kevorkian, J., and Julian D. Cole. Perturbation Methods in Applied Mathematics. Springer-Verlag, 1981.