Princeton Review (Firm). (2014). Grammar smart: A guide to perfect usage (Third edition, updated edition.). Penguin Random House.
Chicago Style (17th ed.) CitationPrinceton Review (Firm). Grammar Smart: A Guide to Perfect Usage. Third edition, updated edition. New York: Penguin Random House, 2014.
MLA (8th ed.) CitationPrinceton Review (Firm). Grammar Smart: A Guide to Perfect Usage. Third edition, updated edition. Penguin Random House, 2014.
Warning: These citations may not always be 100% accurate.