APA (7th ed.) Citation

Guyton, D. L. . [. .. (2007). Retinoscopy and subjective refraction [. American Academy of Ophthalmology.

Chicago Style (17th ed.) Citation

Guyton, D. L. []. Retinoscopy and Subjective Refraction [. San Francisco, California: American Academy of Ophthalmology, 2007.

MLA (9th ed.) Citation

Guyton, D. L. []. Retinoscopy and Subjective Refraction [. American Academy of Ophthalmology, 2007.