APA (7th ed.) Citation

Duke-Elder, S., & Wybar, K. (1961). System of ophthalmology / edited by Sir Stewart Duke-Elder. Henry Kimpton.

Chicago Style (17th ed.) Citation

Duke-Elder, Stewart,, and Kenneth Wybar. System of Ophthalmology / Edited by Sir Stewart Duke-Elder. London: Henry Kimpton, 1961.

MLA (9th ed.) Citation

Duke-Elder, Stewart,, and Kenneth Wybar. System of Ophthalmology / Edited by Sir Stewart Duke-Elder. Henry Kimpton, 1961.

Warning: These citations may not always be 100% accurate.