APA Style

Merolla, J., Zechmeister, E. (2009). Democracy at Risk : How Terrorist Threats Affect the Public (E-Book) . Chicago: The University Of Chicago Press.

MLA Style

Merolla, Jennifer., Zechmeister, Elizabeth. "Democracy at Risk : How Terrorist Threats Affect the Public (E-Book)". Chicago: The University Of Chicago Press, 2009. E-Book.