Cita APA (7th ed.)

Aufmann, R. N. (2013). Beginning algebra (Eighth edition.). Brooks/Cole, Cengage Learning.

Cita Chicago (17th ed.)

Aufmann, Richard N. Beginning Algebra. Eighth edition. Belmont, CA: Brooks/Cole, Cengage Learning, 2013.

Cita MLA (9th ed.)

Aufmann, Richard N. Beginning Algebra. Eighth edition. Brooks/Cole, Cengage Learning, 2013.