Cita APA (7a ed.)

Kelley, W. G., & Peterson, A. C. (1991). Difference equations: An introduction with applications. Academic.

Cita Chicago Style (17a ed.)

Kelley, Walter G., y Allan C. Peterson. Difference Equations: An Introduction with Applications. Boston: Academic, 1991.

Cita MLA (9a ed.)

Kelley, Walter G., y Allan C. Peterson. Difference Equations: An Introduction with Applications. Academic, 1991.