Cita APA (7th ed.)

Barnett, R. A., & Kearns, T. J. (1987). Algebra: An elementary course (2nd ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Barnett, Raymond A., i Thomas J. Kearns. Algebra: An Elementary Course. 2nd ed. New York: McGraw-Hill, 1987.

Cita MLA (9th ed.)

Barnett, Raymond A., i Thomas J. Kearns. Algebra: An Elementary Course. 2nd ed. McGraw-Hill, 1987.