APA (7th ed.) Citation
Bender, C. M., & Orszag, S. A. (1999). Advanced Mathematical Methods for Scientists and Engineers I: Asymptotic Methods and Perturbation Theory. Springer.
Chicago Style (17th ed.) Citation
Bender, Carl M., and Steven A. Orszag. Advanced Mathematical Methods for Scientists and Engineers I: Asymptotic Methods and Perturbation Theory. New York: Springer, 1999.
MLA (9th ed.) Citation
Bender, Carl M., and Steven A. Orszag. Advanced Mathematical Methods for Scientists and Engineers I: Asymptotic Methods and Perturbation Theory. Springer, 1999.
Warning: These citations may not always be 100% accurate.