APA (7th ed.) Citation

Keirl, A., & Christie, C. (2007). Clinical optics and refraction: A guide for optometrists, contact lens opticians and dispensing opticians. Elsevier.

Chicago Style (17th ed.) Citation

Keirl, Andrew, and Caroline Christie. Clinical Optics and Refraction: A Guide for Optometrists, Contact Lens Opticians and Dispensing Opticians. Edinburgh: Elsevier, 2007.

MLA (8th ed.) Citation

Keirl, Andrew, and Caroline Christie. Clinical Optics and Refraction: A Guide for Optometrists, Contact Lens Opticians and Dispensing Opticians. Elsevier, 2007.