APA-viite (7. p.)
Hartley, R. E. (2013). Battleground 1948: Truman, Stevenson, Douglas, and the most surprising election in Illinois history. Southern Illinois University Press.
Chicago-viite (17. p.)
Hartley, Robert E. Battleground 1948: Truman, Stevenson, Douglas, and the Most Surprising Election in Illinois History. Carbondale, Ill.: Southern Illinois University Press, 2013.
MLA-viite (9. p.)
Hartley, Robert E. Battleground 1948: Truman, Stevenson, Douglas, and the Most Surprising Election in Illinois History. Southern Illinois University Press, 2013.
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