APA Citation

Umar M.B.A., B. (2017). Barron's GMAT. Barrons Educational Series.

Chicago Style Citation

Umar M.B.A., Bobby. Barron's GMAT. Barrons Educational Series, 2017.

MLA Citation

Umar M.B.A., Bobby. Barron's GMAT. Barrons Educational Series, 2017.

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