Παραπομπή APA

Huygens, C., & Newton, I. (1987). Mathematical principles of natural philosophy, optics, treatise on light.

Παραπομπή Chicago Style

Huygens, Christiaan, και Issac Newton. Mathematical Principles of Natural Philosophy, Optics, Treatise on Light. Chicago, Encyclopaedia Britannica Inc, 1987.

Παραπομπή MLA

Huygens, Christiaan, και Issac Newton. Mathematical Principles of Natural Philosophy, Optics, Treatise on Light. 1987.