Chicago: Aristotle, "9," History of Animals, trans. D’Arcy Wentworth Thompson Original Sources, accessed June 3, 2023, http://www.originalsources.com/Document.aspx?DocID=4VHP19R4Z3YHR4I.
MLA: Aristotle. "9." History of Animals, translted by D’Arcy Wentworth Thompson, Original Sources. 3 Jun. 2023. http://www.originalsources.com/Document.aspx?DocID=4VHP19R4Z3YHR4I.
Harvard: Aristotle, '9' in History of Animals, trans. . Original Sources, retrieved 3 June 2023, from http://www.originalsources.com/Document.aspx?DocID=4VHP19R4Z3YHR4I.