APA (7th ed.) Citation

Sally, J. D., & Sally, P. J. (2011). Geometry: A guide for teachers. Mathematical Sciences Research Institute American Mathematical Society.

Chicago Style (17th ed.) Citation

Sally, Judith D., and Paul J. Sally. Geometry: A Guide for Teachers. Berkeley, California Providence, R.I: Mathematical Sciences Research Institute American Mathematical Society, 2011.

MLA (8th ed.) Citation

Sally, Judith D., and Paul J. Sally. Geometry: A Guide for Teachers. Mathematical Sciences Research Institute American Mathematical Society, 2011.