APA (7th ed.) Citation

Peterson's. (2012). Master the gre 2013 (20.).

Chicago Style (17th ed.) Citation

Peterson's. Master the Gre 2013. 20. 2012.

MLA (8th ed.) Citation

Peterson's. Master the Gre 2013. 20. 2012.

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