APA-referens (7:e uppl.)

Roper, B. S. (2013). History of democracy: A Marxist interpretation. Pluto Press.

Chicago-referens (17:e uppl.)

Roper, Brian S. History of Democracy: A Marxist Interpretation. London ; New York: Pluto Press, 2013.

MLA-referens (9:e uppl.)

Roper, Brian S. History of Democracy: A Marxist Interpretation. Pluto Press, 2013.