APA (7th ed.) Citation

Wright, W. D. (1949). Photometry and the eye. Hatton Press.

Chicago Style (17th ed.) Citation

Wright, W. D. Photometry and the Eye. London: Hatton Press, 1949.

MLA (9th ed.) Citation

Wright, W. D. Photometry and the Eye. Hatton Press, 1949.

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