Westfall, R. S. (1993). The life of Issac Newton. Foundation Books.
Chicago Edition CitationWestfall, Richard S. The Life of Issac Newton. New Delhi: Foundation Books, 1993.
Cita MLAWestfall, Richard S. The Life of Issac Newton. Foundation Books, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.