Chicago: U.S. Supreme Court, "Syllabus," Perkins v. Standard Oil Co. Of California, 399 U.S. 222 (1970) in 399 U.S. 222 Original Sources, accessed May 6, 2025, http://www.originalsources.com/Document.aspx?DocID=QVYWEKKGBZK7ZGQ.
MLA: U.S. Supreme Court. "Syllabus." Perkins v. Standard Oil Co. Of California, 399 U.S. 222 (1970), in 399 U.S. 222, Original Sources. 6 May. 2025. http://www.originalsources.com/Document.aspx?DocID=QVYWEKKGBZK7ZGQ.
Harvard: U.S. Supreme Court, 'Syllabus' in Perkins v. Standard Oil Co. Of California, 399 U.S. 222 (1970). cited in 1970, 399 U.S. 222. Original Sources, retrieved 6 May 2025, from http://www.originalsources.com/Document.aspx?DocID=QVYWEKKGBZK7ZGQ.