APA-viite

Armstrong, K. (2014). Fields of blood: :religion and the history of violence (First edition.). Penguin.

Chicago-tyylinen lähdeviittaus

Armstrong, Karen. Fields of Blood: :religion and the History of Violence. First edition. london: Penguin, 2014.

MLA-viite

Armstrong, Karen. Fields of Blood: :religion and the History of Violence. First edition. Penguin, 2014.