APA (7th ed.) Citation

Newton, I. (1964). The mathematical principles of natural philosophy. Philosophical Library.

Chicago Style (17th ed.) Citation

Newton, Isaac. The Mathematical Principles of Natural Philosophy. New York: Philosophical Library, 1964.

MLA (9th ed.) Citation

Newton, Isaac. The Mathematical Principles of Natural Philosophy. Philosophical Library, 1964.

Warning: These citations may not always be 100% accurate.