Chicago: U.S. Supreme Court, "Syllabus," Helvering v. American Chicle Co., 291 U.S. 426 (1934) in 291 U.S. 426 291 U.S. 427–291 U.S. 428. Original Sources, accessed November 22, 2024, http://originalsources.com/Document.aspx?DocID=73JXNK88SSIYTGB.
MLA: U.S. Supreme Court. "Syllabus." Helvering v. American Chicle Co., 291 U.S. 426 (1934), in 291 U.S. 426, pp. 291 U.S. 427–291 U.S. 428. Original Sources. 22 Nov. 2024. http://originalsources.com/Document.aspx?DocID=73JXNK88SSIYTGB.
Harvard: U.S. Supreme Court, 'Syllabus' in Helvering v. American Chicle Co., 291 U.S. 426 (1934). cited in 1934, 291 U.S. 426, pp.291 U.S. 427–291 U.S. 428. Original Sources, retrieved 22 November 2024, from http://originalsources.com/Document.aspx?DocID=73JXNK88SSIYTGB.