Cita APA (7th ed.)

SMITH, K. J., & BOYLE, P. J. (1985). College algebra.-- Ed. 3. Brooks/Cole Pub. Co.

Cita Chicago (17th ed.)

SMITH, Karl J., i Patrick J. BOYLE. College Algebra.-- Ed. 3. Monterey: Brooks/Cole Pub. Co, 1985.

Cita MLA (9th ed.)

SMITH, Karl J., i Patrick J. BOYLE. College Algebra.-- Ed. 3. Brooks/Cole Pub. Co, 1985.