APA (7th ed.) Citation

(2018). GRE prep plus 2019. Kaplan Publishing.

Chicago Style (17th ed.) Citation

GRE Prep Plus 2019. New York: Kaplan Publishing, 2018.

MLA (9th ed.) Citation

GRE Prep Plus 2019. Kaplan Publishing, 2018.

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