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Chicago: Aristotle, "Book I," On the Parts of Animals, trans. William Ogle Original Sources, accessed March 14, 2026, http://originalsources.com/Document.aspx?DocID=87C9ZWYPGNFURL5.
MLA: Aristotle. "Book I." On the Parts of Animals, translted by William Ogle, Original Sources. 14 Mar. 2026. http://originalsources.com/Document.aspx?DocID=87C9ZWYPGNFURL5.
Harvard: Aristotle, 'Book I' in On the Parts of Animals, trans. . Original Sources, retrieved 14 March 2026, from http://originalsources.com/Document.aspx?DocID=87C9ZWYPGNFURL5.