Cita APA (7a ed.)

Devlin, K. J. (1997). An Electronic companion to calculus. Cogito Learning Media.

Cita Chicago Style (17a ed.)

Devlin, Keith J. An Electronic Companion to Calculus. New York: Cogito Learning Media, 1997.

Cita MLA (9a ed.)

Devlin, Keith J. An Electronic Companion to Calculus. Cogito Learning Media, 1997.