APA (7th ed.) Citation

Jaffe & Hilbert. (2009). Barron's pass key to the GMAT: Graduate Management Admission Test (6th ed.). Barron's Educational Series.

Chicago Style (17th ed.) Citation

Jaffe and Hilbert. Barron's Pass Key to the GMAT: Graduate Management Admission Test. 6th ed. New York: Barron's Educational Series, 2009.

MLA (8th ed.) Citation

Jaffe and Hilbert. Barron's Pass Key to the GMAT: Graduate Management Admission Test. 6th ed. Barron's Educational Series, 2009.