Chicago: René Descartes, "Prefatory Note by the Author," Discourse on the Method: Of Rightly Conducting the Reason, and Seeking Truth in the Sciences, trans. John Veitch, Ll.D. Original Sources, accessed December 13, 2024, http://originalsources.com/Document.aspx?DocID=NUA7K7L3AJE5PUB.
MLA: Descartes, René. "Prefatory Note by the Author." Discourse on the Method: Of Rightly Conducting the Reason, and Seeking Truth in the Sciences, translted by John Veitch, Ll.D., Original Sources. 13 Dec. 2024. http://originalsources.com/Document.aspx?DocID=NUA7K7L3AJE5PUB.
Harvard: Descartes, R, 'Prefatory Note by the Author' in Discourse on the Method: Of Rightly Conducting the Reason, and Seeking Truth in the Sciences, trans. . Original Sources, retrieved 13 December 2024, from http://originalsources.com/Document.aspx?DocID=NUA7K7L3AJE5PUB.