Cites del registre

Cita APA (7th ed.)
Duke-Elder, S. (1957). SIR JOHN HERBERT PARSONS (1868–1957). Br J Ophthalmol.
Cita Chicago (17th ed.)
Duke-Elder, Stewart. "SIR JOHN HERBERT PARSONS (1868–1957)." Br J Ophthalmol 1957.
Cita MLA (9th ed.)
Duke-Elder, Stewart. "SIR JOHN HERBERT PARSONS (1868–1957)." Br J Ophthalmol, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.