APA (7th ed.) Citation

Richtmyer, R. D., & Morton, K. W. (1967). Difference methods for initial-value problems (2nd ed.). Interscience Publishers.

Chicago Style (17th ed.) Citation

Richtmyer, Robert D., and K. W. Morton. Difference Methods for Initial-value Problems. 2nd ed. New York: Interscience Publishers, 1967.

MLA (8th ed.) Citation

Richtmyer, Robert D., and K. W. Morton. Difference Methods for Initial-value Problems. 2nd ed. Interscience Publishers, 1967.