Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Kevorkian, J., y J.D Cole. Perturbation Methods in Applied Mathematics. New York [etc.]: Springer, 1981.

Cita MLA (9a ed.)

Kevorkian, J., y J.D Cole. Perturbation Methods in Applied Mathematics. Springer, 1981.