Chicago: U.S. Supreme Court, "Syllabus," Helvering v. Pan-American Life Ins. Co., 311 U.S. 272 (1940) in 311 U.S. 272 Joint_311 U.S. 273. Original Sources, accessed June 7, 2025, http://originalsources.com/Document.aspx?DocID=6B1KFQPP6RWQWUJ.
MLA: U.S. Supreme Court. "Syllabus." Helvering v. Pan-American Life Ins. Co., 311 U.S. 272 (1940), in 311 U.S. 272, page Joint_311 U.S. 273. Original Sources. 7 Jun. 2025. http://originalsources.com/Document.aspx?DocID=6B1KFQPP6RWQWUJ.
Harvard: U.S. Supreme Court, 'Syllabus' in Helvering v. Pan-American Life Ins. Co., 311 U.S. 272 (1940). cited in 1940, 311 U.S. 272, pp.Joint_311 U.S. 273. Original Sources, retrieved 7 June 2025, from http://originalsources.com/Document.aspx?DocID=6B1KFQPP6RWQWUJ.