Cita APA

Pickard, R. (1939). A Light Threshold Apparatus: (Section of Ophthalmology).

Chicago Style Citation

Pickard, Ransom. A Light Threshold Apparatus: (Section of Ophthalmology). 1939.

Cita MLA

Pickard, Ransom. A Light Threshold Apparatus: (Section of Ophthalmology). 1939.

Atenció: Aquestes cites poden no estar 100% correctes.