एपीए उद्धरण

Gellhorn,Walter. (1950). Security,loyalty and science. cornell university press.

शिकागो स्टाइल उद्धरण

Gellhorn,Walter. Security,loyalty and Science. NewYork: cornell university press, 1950.

एमएलए उद्धरण

Gellhorn,Walter. Security,loyalty and Science. cornell university press, 1950.