Chicago: U.S. Supreme Court, "Syllabus," Railroad Comm’n v. Humble Oil & Refining Co., 311 U.S. 578 (1941) in 311 U.S. 578 Original Sources, accessed May 6, 2025, http://www.originalsources.com/Document.aspx?DocID=QPX5KR5PCC2S6K9.
MLA: U.S. Supreme Court. "Syllabus." Railroad Comm’n v. Humble Oil & Refining Co., 311 U.S. 578 (1941), in 311 U.S. 578, Original Sources. 6 May. 2025. http://www.originalsources.com/Document.aspx?DocID=QPX5KR5PCC2S6K9.
Harvard: U.S. Supreme Court, 'Syllabus' in Railroad Comm’n v. Humble Oil & Refining Co., 311 U.S. 578 (1941). cited in 1941, 311 U.S. 578. Original Sources, retrieved 6 May 2025, from http://www.originalsources.com/Document.aspx?DocID=QPX5KR5PCC2S6K9.