Cita APA (7a ed.)

Newton, I., & Cajori. (1946). Mathematical principles of natural philosophy and his system of the world. University of California Press.

Cita Chicago Style (17a ed.)

Newton, Isaac, y Cajori. Mathematical Principles of Natural Philosophy and His System of the World. Berkeley: University of California Press, 1946.

Cita MLA (9a ed.)

Newton, Isaac, y Cajori. Mathematical Principles of Natural Philosophy and His System of the World. University of California Press, 1946.