Cita APA (7th ed.)

Steinlage, R. C. (1990). College algebra (3rd ed.). West Pub. Co..

Cita Chicago (17th ed.)

Steinlage, Ralph C. College Algebra. 3rd ed. St. Paul, MN: West Pub. Co., 1990.

Cita MLA (9th ed.)

Steinlage, Ralph C. College Algebra. 3rd ed. West Pub. Co., 1990.