APA Edition Citation

Newton, I. (1999). Principia: Mathematical principles of natural phiosophy. University of California.

Chicago Edition Citation

Newton, Issac. Principia: Mathematical Principles of Natural Phiosophy. Berkeley: University of California, 1999.

MLA Edition Citation

Newton, Issac. Principia: Mathematical Principles of Natural Phiosophy. University of California, 1999.

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