APA Style

GMAT All the Quant + DI: Effective Strategies & Practice for GMAT Focus + Atlas onlineEffective Strategies & Practice for the New GMAT. (). : .

MLA Style

GMAT All the Quant + DI: Effective Strategies & Practice for GMAT Focus + Atlas onlineEffective Strategies & Practice for the New GMAT. . : , . [electronic resource].