APA (7th ed.) Citation

Kelley, W. G., & Peterson, A. C. (2001). Difference equations: An introduction with applications (2nd ed.). Academic.

Chicago Style (17th ed.) Citation

Kelley, Walter G., and Allan C. Peterson. Difference Equations: An Introduction with Applications. 2nd ed. San Diego, Calif. ; London: Academic, 2001.

MLA (9th ed.) Citation

Kelley, Walter G., and Allan C. Peterson. Difference Equations: An Introduction with Applications. 2nd ed. Academic, 2001.