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Chicago: U.S. Supreme Court, "Citations," Port of Portland v. United States, 408 U.S. 811 (1972) in 408 U.S. 811 Original Sources, accessed July 15, 2025, http://www.originalsources.com/Document.aspx?DocID=CNK8D3N86983GHX.
MLA: U.S. Supreme Court. "Citations." Port of Portland v. United States, 408 U.S. 811 (1972), in 408 U.S. 811, Original Sources. 15 Jul. 2025. http://www.originalsources.com/Document.aspx?DocID=CNK8D3N86983GHX.
Harvard: U.S. Supreme Court, 'Citations' in Port of Portland v. United States, 408 U.S. 811 (1972). cited in 1972, 408 U.S. 811. Original Sources, retrieved 15 July 2025, from http://www.originalsources.com/Document.aspx?DocID=CNK8D3N86983GHX.