Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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