Hartridge, G. (1894). The refraction of the eye: A manual for students (7th ed.). P. Blakiston, Son, & Co..
Chicago Style (17th ed.) CitationHartridge, Gustavus. The Refraction of the Eye: A Manual for Students. 7th ed. Philadelphia: P. Blakiston, Son, & Co., 1894.
MLA (8th ed.) CitationHartridge, Gustavus. The Refraction of the Eye: A Manual for Students. 7th ed. P. Blakiston, Son, & Co., 1894.
Warning: These citations may not always be 100% accurate.