APA-viite (7. p.)
Marion, N. E., & Oliver, W. (2014). Killing Congress: Assassinations, attempted assassinations and other violence against members of Congress. Lexington Books.
Chicago-viite (17. p.)
Marion, Nancy E., ja Willard Oliver. Killing Congress: Assassinations, Attempted Assassinations and Other Violence Against Members of Congress. Lanham, Maryland ; London, England: Lexington Books, 2014.
MLA-viite (9. p.)
Marion, Nancy E., ja Willard Oliver. Killing Congress: Assassinations, Attempted Assassinations and Other Violence Against Members of Congress. Lexington Books, 2014.
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