एपीए उद्धरण

Hallam, A. (1983). Great geological controversies. Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

Hallam, Anthony. Great Geological Controversies. Oxford: Oxford University Press, 1983.

एमएलए उद्धरण

Hallam, Anthony. Great Geological Controversies. Oxford: Oxford University Press, 1983.