एपीए उद्धरण

Gardiner,Patrick. (1961). The nature of historical explanation. Oxford University Press.

शिकागो स्टाइल उद्धरण

Gardiner,Patrick. The Nature of Historical Explanation. London: Oxford University Press, 1961.

एमएलए उद्धरण

Gardiner,Patrick. The Nature of Historical Explanation. Oxford University Press, 1961.