APA (7e ed.) Bronvermelding

Ball, J. M. (1927). Modern ophthalmology: A practical treatise on the anatomy, physiology, and diseases of the eye (6th ed., rev. and enl.). F. A. Davis company.

Chicago (17e ed.) Bronvermelding

Ball, James Moores. Modern Ophthalmology: A Practical Treatise on the Anatomy, Physiology, and Diseases of the Eye. 6th ed., rev. and enl. Philadelphia: F. A. Davis company, 1927.

MLA (8e ed.) Bronvermelding

Ball, James Moores. Modern Ophthalmology: A Practical Treatise on the Anatomy, Physiology, and Diseases of the Eye. 6th ed., rev. and enl. F. A. Davis company, 1927.