APA (7th ed.) Citation

Wakefield, G. L. (1950). Your camera lens and shutter. Fountain Press.

Chicago Style (17th ed.) Citation

Wakefield, George L. Your Camera Lens and Shutter. London: Fountain Press, 1950.

MLA (9th ed.) Citation

Wakefield, George L. Your Camera Lens and Shutter. Fountain Press, 1950.

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