APA (7th ed.) Citation

O'Malley, R. E. (1991). Singular perturbation methods for ordinary differential equations. Springer-Verlag.

Chicago Style (17th ed.) Citation

O'Malley, Robert E. Singular Perturbation Methods for Ordinary Differential Equations. New York: Springer-Verlag, 1991.

MLA (9th ed.) Citation

O'Malley, Robert E. Singular Perturbation Methods for Ordinary Differential Equations. Springer-Verlag, 1991.