APA (7th ed.) Citation

Princeton Review (Firm). (2018). 1,027 GRE practice questions (Fifth edition.). Penguin Random House.

Chicago Style (17th ed.) Citation

Princeton Review (Firm). 1,027 GRE Practice Questions. Fifth edition. New York: Penguin Random House, 2018.

MLA (8th ed.) Citation

Princeton Review (Firm). 1,027 GRE Practice Questions. Fifth edition. Penguin Random House, 2018.

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