एपीए उद्धरण

Hirst,Paul Q. (1976). Social evolution and sociological categories. George Allen & Unwin Ltd.

शिकागो स्टाइल उद्धरण

Hirst,Paul Q. Social Evolution and Sociological Categories. Londonq: George Allen & Unwin Ltd, 1976.

एमएलए उद्धरण

Hirst,Paul Q. Social Evolution and Sociological Categories. George Allen & Unwin Ltd, 1976.