Chicago: Aristotle, "Book I," On the Parts of Animals, trans. William Ogle Original Sources, accessed July 6, 2022, http://originalsources.com/Document.aspx?DocID=87C9ZWYPGNFURL5.
MLA: Aristotle. "Book I." On the Parts of Animals, translted by William Ogle, Original Sources. 6 Jul. 2022. http://originalsources.com/Document.aspx?DocID=87C9ZWYPGNFURL5.
Harvard: Aristotle, 'Book I' in On the Parts of Animals, trans. . Original Sources, retrieved 6 July 2022, from http://originalsources.com/Document.aspx?DocID=87C9ZWYPGNFURL5.