APA Edition Citation

Welford, W. T. (1989). Aberrations of optical systems. A. Hilger.

Chicago Edition Citation

Welford, W. T. Aberrations of Optical Systems. Bristol, Eng. ; Philadelphia: A. Hilger, 1989.

MLA Edition Citation

Welford, W. T. Aberrations of Optical Systems. A. Hilger, 1989.

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