Chicago: U.S. Supreme Court, "Citations," Helvering v. Leonard, 310 U.S. 80 (1940) in 310 U.S. 80 Original Sources, accessed October 17, 2024, http://originalsources.com/Document.aspx?DocID=V4H5K5L5FM6V6IZ.
MLA: U.S. Supreme Court. "Citations." Helvering v. Leonard, 310 U.S. 80 (1940), in 310 U.S. 80, Original Sources. 17 Oct. 2024. http://originalsources.com/Document.aspx?DocID=V4H5K5L5FM6V6IZ.
Harvard: U.S. Supreme Court, 'Citations' in Helvering v. Leonard, 310 U.S. 80 (1940). cited in 1940, 310 U.S. 80. Original Sources, retrieved 17 October 2024, from http://originalsources.com/Document.aspx?DocID=V4H5K5L5FM6V6IZ.