Cita APA (7a ed.)

KEEDY, M. L., & BITTINGER, M. L. (1984). Intermediate algebra.-- Ed. 4. Addison-Wesley Pub. Co.

Cita Chicago Style (17a ed.)

KEEDY, Mervin L., y Marvin L. BITTINGER. Intermediate Algebra.-- Ed. 4. Massachusetts: Addison-Wesley Pub. Co, 1984.

Cita MLA (9a ed.)

KEEDY, Mervin L., y Marvin L. BITTINGER. Intermediate Algebra.-- Ed. 4. Addison-Wesley Pub. Co, 1984.