APA (7th ed.) Citation

Goodman, E. (2008). Guide to the Gre Test. Spark Notes Publishing.

Chicago Style (17th ed.) Citation

Goodman, Eric. Guide to the Gre Test. New York, NY: Spark Notes Publishing, 2008.

MLA (9th ed.) Citation

Goodman, Eric. Guide to the Gre Test. Spark Notes Publishing, 2008.