Chicago: Aristotle, "Book I," History of Animals, trans. D’Arcy Wentworth Thompson Original Sources, accessed April 20, 2024, http://www.originalsources.com/Document.aspx?DocID=YRWTMI7WGR13D5E.
MLA: Aristotle. "Book I." History of Animals, translted by D’Arcy Wentworth Thompson, Original Sources. 20 Apr. 2024. http://www.originalsources.com/Document.aspx?DocID=YRWTMI7WGR13D5E.
Harvard: Aristotle, 'Book I' in History of Animals, trans. . Original Sources, retrieved 20 April 2024, from http://www.originalsources.com/Document.aspx?DocID=YRWTMI7WGR13D5E.