Cita APA (7a ed.)

Hungerford, T. W. (2009). Contemporary precalculus: A graphing approach (5e.). Thomson Brooks/Cole.

Cita Chicago Style (17a ed.)

Hungerford, Thomas W. Contemporary Precalculus: A Graphing Approach. 5e. Belmont, CA: Thomson Brooks/Cole, 2009.

Cita MLA (9a ed.)

Hungerford, Thomas W. Contemporary Precalculus: A Graphing Approach. 5e. Thomson Brooks/Cole, 2009.