APA (7th ed.) Citation

Wheadon, R. A. (1968). The principles of light and optics / by R.A. Wheadon. Longmans.

Chicago Style (17th ed.) Citation

Wheadon, R. A. The Principles of Light and Optics / by R.A. Wheadon. Longmans, 1968.

MLA (9th ed.) Citation

Wheadon, R. A. The Principles of Light and Optics / by R.A. Wheadon. Longmans, 1968.

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