APA (7th ed.) Citation

Newton, I., Motte, A., & Cajori, F. (1962). Mathematical principles of natural philosophy and his system of the world: 2, The system of the world. University of California Press.

Chicago Style (17th ed.) Citation

Newton, Isaac, Andrew Motte, and Florian Cajori. Mathematical Principles of Natural Philosophy and His System of the World: 2, The System of the World. Berkeley [etc.]: University of California Press, 1962.

MLA (9th ed.) Citation

Newton, Isaac, et al. Mathematical Principles of Natural Philosophy and His System of the World: 2, The System of the World. University of California Press, 1962.