एपीए उद्धरण

Collingwood,R G. (1933). An essay on philosophical method. Oxford University Press.

शिकागो स्टाइल उद्धरण

Collingwood,R G. An Essay on Philosophical Method. London: Oxford University Press, 1933.

एमएलए उद्धरण

Collingwood,R G. An Essay on Philosophical Method. Oxford University Press, 1933.