Cita APA (7a ed.)

(2019). Cracking the GRE (2020 edition.). Penguin random House.

Cita Chicago Style (17a ed.)

Cracking the GRE. 2020 edition. New York: Penguin random House, 2019.

Cita MLA (9a ed.)

Cracking the GRE. 2020 edition. Penguin random House, 2019.