APA-referens (7:e uppl.)
Hearn, D. A. (2015). Legal executions in Delaware, the District of Columbia, Maryland, Virginia and West Virginia: A comprehensive registry, 1866-1962. McFarland & Company, Inc., Publishers.
Chicago-referens (17:e uppl.)
Hearn, Daniel Allen. Legal Executions in Delaware, the District of Columbia, Maryland, Virginia and West Virginia: A Comprehensive Registry, 1866-1962. Jefferson, North Carolina: McFarland & Company, Inc., Publishers, 2015.
MLA-referens (9:e uppl.)
Hearn, Daniel Allen. Legal Executions in Delaware, the District of Columbia, Maryland, Virginia and West Virginia: A Comprehensive Registry, 1866-1962. McFarland & Company, Inc., Publishers, 2015.
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