APA (7th ed.) Citation

Gorini, C. A. (2009). The Facts on File geometry handbook (Revised ed.). Facts on File.

Chicago Style (17th ed.) Citation

Gorini, Catherine A. The Facts on File Geometry Handbook. Revised ed. New York: Facts on File, 2009.

MLA (9th ed.) Citation

Gorini, Catherine A. The Facts on File Geometry Handbook. Revised ed. Facts on File, 2009.