Newton, I., & Huygens, C. (1996). Mathematical principles of natural philosophy: Optics (2nd, 6th print.). Encyclopædia Britannica.
Style de citation Chicago (17e éd.)Newton, Isaac, et Christiaan Huygens. Mathematical Principles of Natural Philosophy: Optics. 2nd, 6th print. Chicago: Encyclopædia Britannica, 1996.
Style de citation MLA (9e éd.)Newton, Isaac, et Christiaan Huygens. Mathematical Principles of Natural Philosophy: Optics. 2nd, 6th print. Encyclopædia Britannica, 1996.
Attention : ces citations peuvent ne pas être correctes à 100%.