Chicago: U.S. Supreme Court, "Citations," Zellerbach Paper Co. v. Helvering, 293 U.S. 172 (1934) in 293 U.S. 172 Original Sources, accessed November 2, 2024, http://www.originalsources.com/Document.aspx?DocID=UHA8KC1VDMHJDIE.
MLA: U.S. Supreme Court. "Citations." Zellerbach Paper Co. v. Helvering, 293 U.S. 172 (1934), in 293 U.S. 172, Original Sources. 2 Nov. 2024. http://www.originalsources.com/Document.aspx?DocID=UHA8KC1VDMHJDIE.
Harvard: U.S. Supreme Court, 'Citations' in Zellerbach Paper Co. v. Helvering, 293 U.S. 172 (1934). cited in 1934, 293 U.S. 172. Original Sources, retrieved 2 November 2024, from http://www.originalsources.com/Document.aspx?DocID=UHA8KC1VDMHJDIE.