Chicago: U.S. Supreme Court, "Citations," Pennsylvania R. Co. v. Railroad Labor Board, 261 U.S. 72 (1923) in 261 U.S. 72 Original Sources, accessed December 26, 2024, http://originalsources.com/Document.aspx?DocID=UMF9D8SYIN2MR7M.
MLA: U.S. Supreme Court. "Citations." Pennsylvania R. Co. v. Railroad Labor Board, 261 U.S. 72 (1923), in 261 U.S. 72, Original Sources. 26 Dec. 2024. http://originalsources.com/Document.aspx?DocID=UMF9D8SYIN2MR7M.
Harvard: U.S. Supreme Court, 'Citations' in Pennsylvania R. Co. v. Railroad Labor Board, 261 U.S. 72 (1923). cited in 1923, 261 U.S. 72. Original Sources, retrieved 26 December 2024, from http://originalsources.com/Document.aspx?DocID=UMF9D8SYIN2MR7M.