APA (7th ed.) Citation

Richtmyer, R. D., & Morton, K. W. (1957). Difference methods for initial-value problems. Wiley.

Chicago Style (17th ed.) Citation

Richtmyer, Robert Davis, and Keith W. Morton. Difference Methods for Initial-value Problems. New York: Wiley, 1957.

MLA (9th ed.) Citation

Richtmyer, Robert Davis, and Keith W. Morton. Difference Methods for Initial-value Problems. Wiley, 1957.