APA (7th ed.) Citation

O'Malley, R. E. (1991). Singular Perturbation Methods for Ordinary Differential Equations. Springer New York.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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