APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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