Cita APA (7th ed.)

Larson, R. E. (1989). Algebra and Trigonometry (2nd ed.). D.C. Heath and Co..

Cita Chicago (17th ed.)

Larson, Roland E. Algebra and Trigonometry. 2nd ed. Lexington: D.C. Heath and Co., 1989.

Cita MLA (9th ed.)

Larson, Roland E. Algebra and Trigonometry. 2nd ed. D.C. Heath and Co., 1989.