Chicago: U.S. Supreme Court, "Syllabus," Spies v. United States, 317 U.S. 492 (1943) in 317 U.S. 492 Original Sources, accessed May 6, 2025, http://www.originalsources.com/Document.aspx?DocID=5EIJNDJYAPRZ45W.
MLA: U.S. Supreme Court. "Syllabus." Spies v. United States, 317 U.S. 492 (1943), in 317 U.S. 492, Original Sources. 6 May. 2025. http://www.originalsources.com/Document.aspx?DocID=5EIJNDJYAPRZ45W.
Harvard: U.S. Supreme Court, 'Syllabus' in Spies v. United States, 317 U.S. 492 (1943). cited in 1943, 317 U.S. 492. Original Sources, retrieved 6 May 2025, from http://www.originalsources.com/Document.aspx?DocID=5EIJNDJYAPRZ45W.