Chicago: U.S. Supreme Court, "Syllabus," Helvering v. Therrell, 303 U.S. 218 (1938) in 303 U.S. 218 303 U.S. 219. Original Sources, accessed April 16, 2025, http://originalsources.com/Document.aspx?DocID=VPJ3TLPEDNXH5SG.
MLA: U.S. Supreme Court. "Syllabus." Helvering v. Therrell, 303 U.S. 218 (1938), in 303 U.S. 218, page 303 U.S. 219. Original Sources. 16 Apr. 2025. http://originalsources.com/Document.aspx?DocID=VPJ3TLPEDNXH5SG.
Harvard: U.S. Supreme Court, 'Syllabus' in Helvering v. Therrell, 303 U.S. 218 (1938). cited in 1938, 303 U.S. 218, pp.303 U.S. 219. Original Sources, retrieved 16 April 2025, from http://originalsources.com/Document.aspx?DocID=VPJ3TLPEDNXH5SG.