Chicago: U.S. Supreme Court, "Syllabus," Estate of Keller v. Commissioner, 312 U.S. 543 (1941) in 312 U.S. 543 Original Sources, accessed April 17, 2025, http://originalsources.com/Document.aspx?DocID=3XG8U2TKGHS7H56.
MLA: U.S. Supreme Court. "Syllabus." Estate of Keller v. Commissioner, 312 U.S. 543 (1941), in 312 U.S. 543, Original Sources. 17 Apr. 2025. http://originalsources.com/Document.aspx?DocID=3XG8U2TKGHS7H56.
Harvard: U.S. Supreme Court, 'Syllabus' in Estate of Keller v. Commissioner, 312 U.S. 543 (1941). cited in 1941, 312 U.S. 543. Original Sources, retrieved 17 April 2025, from http://originalsources.com/Document.aspx?DocID=3XG8U2TKGHS7H56.