APA (7th ed.) Citation

Bell, T. E. (2007). Roger Hayward: Forgotten artist of optics.

Chicago Style (17th ed.) Citation

Bell, Trudy E. Roger Hayward: Forgotten Artist of Optics. 2007.

MLA (9th ed.) Citation

Bell, Trudy E. Roger Hayward: Forgotten Artist of Optics. 2007.

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