Newton, I. (1964). The mathematical principles of natural philosophy. New York: Philosophical Library.
Trích dẫn kiểu ChicagoNewton, Isaac. The Mathematical Principles of Natural Philosophy. New York: Philosophical Library, 1964.
MLA引文Newton, Isaac. The Mathematical Principles of Natural Philosophy. New York: Philosophical Library, 1964.
警告:這些引文格式不一定是100%准確.