Cita APA (7th ed.)

Angel, A. R. (1996). Elementary algebra for college students (4th ed.). Prentice Hall.

Cita Chicago (17th ed.)

Angel, Allen R. Elementary Algebra for College Students. 4th ed. Upper Saddle River, N.J: Prentice Hall, 1996.

Cita MLA (9th ed.)

Angel, Allen R. Elementary Algebra for College Students. 4th ed. Prentice Hall, 1996.