APA-referens (7:e uppl.)
Thomas, W. H., Jr. (2008). Unsafe for democracy: World War I and the U.S. Justice Department's covert campaign to suppress dissent. University of Wisconsin Press.
Chicago-referens (17:e uppl.)
Thomas, William H., Jr. Unsafe for Democracy: World War I and the U.S. Justice Department's Covert Campaign to Suppress Dissent. Madison, Wis.: University of Wisconsin Press, 2008.
MLA-referens (9:e uppl.)
Thomas, William H., Jr. Unsafe for Democracy: World War I and the U.S. Justice Department's Covert Campaign to Suppress Dissent. University of Wisconsin Press, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.