APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.