APA (7th ed.) Citation

Leff, L. S. (1997). Barron's geometry the easy way (Third edition.). Barron's Educational Series.

Chicago Style (17th ed.) Citation

Leff, Lawrence S. Barron's Geometry the Easy Way. Third edition. New York: Barron's Educational Series, 1997.

MLA (9th ed.) Citation

Leff, Lawrence S. Barron's Geometry the Easy Way. Third edition. Barron's Educational Series, 1997.