APA (7th ed.) Citation

Graduate Management Admission Council. (2018). GMAT official guide quantitative review 2019. John Wiley & Sons, Inc..

Chicago Style (17th ed.) Citation

Graduate Management Admission Council. GMAT Official Guide Quantitative Review 2019. Hoboken, New Jersey: John Wiley & Sons, Inc., 2018.

MLA (9th ed.) Citation

Graduate Management Admission Council. GMAT Official Guide Quantitative Review 2019. John Wiley & Sons, Inc., 2018.

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