APA Citation

Newton, I. (1972). Philosophial naturalis: Principia mathematica (3a. ed.). [S.l.]: Harvard.

Chicago Style Citation

Newton, Isaac. Philosophial Naturalis: Principia Mathematica. 3a. ed. [S.l.]: Harvard, 1972.

MLA Citation

Newton, Isaac. Philosophial Naturalis: Principia Mathematica. 3a. ed. [S.l.]: Harvard, 1972.

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