APA (7th ed.) Citation

Mach, E. (1926). The principles of physical optics: An historical and philosophical treatment. Methuen and co., ltd.

Chicago Style (17th ed.) Citation

Mach, Ernst. The Principles of Physical Optics: An Historical and Philosophical Treatment. London: Methuen and co., ltd, 1926.

MLA (9th ed.) Citation

Mach, Ernst. The Principles of Physical Optics: An Historical and Philosophical Treatment. Methuen and co., ltd, 1926.