APA (7th ed.) Citation

Leff, L. S. (2010). Barron's E-Z precalculus. Barron's Educational Series.

Chicago Style (17th ed.) Citation

Leff, Lawrence S. Barron's E-Z Precalculus. Hauppauge, NY: Barron's Educational Series, 2010.

MLA (8th ed.) Citation

Leff, Lawrence S. Barron's E-Z Precalculus. Barron's Educational Series, 2010.

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