APA (7th ed.) Citation

Leff, L. S., & Pawlowski, C. M. (2019). Precalculus the easy way (Third edition.). Kaplan Inc., d/b/a Barron's Educational Series.

Chicago Style (17th ed.) Citation

Leff, Lawrence S., and Christina M. Pawlowski. Precalculus the Easy Way. Third edition. New York, NY: Kaplan Inc., d/b/a Barron's Educational Series, 2019.

MLA (8th ed.) Citation

Leff, Lawrence S., and Christina M. Pawlowski. Precalculus the Easy Way. Third edition. Kaplan Inc., d/b/a Barron's Educational Series, 2019.