Cita APA (7th ed.)
Chandrasekhar, S. Newton's Principia for the Common Reader. Oxford University.
Cita Chicago (17th ed.)
Chandrasekhar, Subrahmanyan. Newton's Principia for the Common Reader. Nueva York, EUA: Oxford University.
Cita MLA (9th ed.)
Chandrasekhar, Subrahmanyan. Newton's Principia for the Common Reader. Oxford University.
Atenció: Aquestes cites poden no estar 100% correctes.