Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Angel, Allen R. Elementary Algebra for College Students. 4th edition. Upper Saddle River, NJ: Prentice-Hall, 1996.

Cita MLA (9th ed.)

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