एपीए उद्धरण

Pitt, G. N. (1923). The Changes in Medicine and its Methods in the Past Forty-five Years: President's Address.

शिकागो स्टाइल उद्धरण

Pitt, G. Newton. The Changes in Medicine and Its Methods in the Past Forty-five Years: President's Address. 1923.

एमएलए उद्धरण

Pitt, G. Newton. The Changes in Medicine and Its Methods in the Past Forty-five Years: President's Address. 1923.