APA (7th ed.) Citation
Vann, D. (2011). Last day on earth: A portrait of the NIU school shooter. University of Georgia Press.
Chicago Style (17th ed.) Citation
Vann, David. Last Day on Earth: A Portrait of the NIU School Shooter. Athens: University of Georgia Press, 2011.
MLA (9th ed.) Citation
Vann, David. Last Day on Earth: A Portrait of the NIU School Shooter. University of Georgia Press, 2011.
Warning: These citations may not always be 100% accurate.