APA (7th ed.) Citation

Morgan, K. (2014). Day 21 (First edition.). Little, Brown and Company.

Chicago Style (17th ed.) Citation

Morgan, Kass. Day 21. First edition. New York: Little, Brown and Company, 2014.

MLA (8th ed.) Citation

Morgan, Kass. Day 21. First edition. Little, Brown and Company, 2014.

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