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 4, 2024, http://www.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. 4 Dec. 2024. http://www.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 4 December 2024, from http://www.originalsources.com/Document.aspx?DocID=UMF9D8SYIN2MR7M.