APA (7th ed.) Citation

Martz, G., & Robinson, A. (2012). Cracking the new GMAT (Rev. & updated 2013 ed.). Random House.

Chicago Style (17th ed.) Citation

Martz, Geoff, and Adam Robinson. Cracking the New GMAT. Rev. & updated 2013 ed. New York: Random House, 2012.

MLA (9th ed.) Citation

Martz, Geoff, and Adam Robinson. Cracking the New GMAT. Rev. & updated 2013 ed. Random House, 2012.