Cita APA (7a ed.)

Sobel, M. A., & Lerner, N. (1991). College Algebra (3rd ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Sobel, Max A., y Norbert Lerner. College Algebra. 3rd ed. Englewood Cliffs, NJ: Prentice Hall, 1991.

Cita MLA (9a ed.)

Sobel, Max A., y Norbert Lerner. College Algebra. 3rd ed. Prentice Hall, 1991.