APA (7th ed.) Citation

Ortega, J. M., & Poole, W. G. (1981). An Introduction to numerical methods for differential equations. Pitman Pub..

Chicago Style (17th ed.) Citation

Ortega, James M., and William G. Poole. An Introduction to Numerical Methods for Differential Equations. Marshfield, Mass.: Pitman Pub., 1981.

MLA (9th ed.) Citation

Ortega, James M., and William G. Poole. An Introduction to Numerical Methods for Differential Equations. Pitman Pub., 1981.