Chicago: Aristotle, "Book I," Physics, trans. R. P. Hardie and R. K. Gaye Original Sources, accessed June 7, 2025, http://originalsources.com/Document.aspx?DocID=DZJ8X34SE9DWC21.
MLA: Aristotle. "Book I." Physics, translted by R. P. Hardie and R. K. Gaye, Original Sources. 7 Jun. 2025. http://originalsources.com/Document.aspx?DocID=DZJ8X34SE9DWC21.
Harvard: Aristotle, 'Book I' in Physics, trans. . Original Sources, retrieved 7 June 2025, from http://originalsources.com/Document.aspx?DocID=DZJ8X34SE9DWC21.