Chicago: Lucretius, "Book I," On the Nature of Things, trans. William Ellery Leonard Original Sources, accessed April 3, 2025, http://originalsources.com/Document.aspx?DocID=HPLT94NB5244UXN.
MLA: Lucretius. "Book I." On the Nature of Things, translted by William Ellery Leonard, Original Sources. 3 Apr. 2025. http://originalsources.com/Document.aspx?DocID=HPLT94NB5244UXN.
Harvard: Lucretius, 'Book I' in On the Nature of Things, trans. . Original Sources, retrieved 3 April 2025, from http://originalsources.com/Document.aspx?DocID=HPLT94NB5244UXN.