APA (7th ed.) Citation

Leff, L. (2000). Barron's regents exams and answers: Sequential math course. Barron's Educational Series, Inc.

Chicago Style (17th ed.) Citation

Leff, Lawrence. Barron's Regents Exams and Answers: Sequential Math Course. New York: Barron's Educational Series, Inc, 2000.

MLA (9th ed.) Citation

Leff, Lawrence. Barron's Regents Exams and Answers: Sequential Math Course. Barron's Educational Series, Inc, 2000.