APA (7th ed.) Citation

Downs, W. M. (2012). Political extremism in democracies: Combating intolerance (1st publ.). Palgrave MacMillan.

Chicago Style (17th ed.) Citation

Downs, William M. Political Extremism in Democracies: Combating Intolerance. 1st publ. New York: Palgrave MacMillan, 2012.

MLA (9th ed.) Citation

Downs, William M. Political Extremism in Democracies: Combating Intolerance. 1st publ. Palgrave MacMillan, 2012.

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