Παραπομπή APA

Collingwood, R. (1973). The idea of history. OUP.

Παραπομπή Chicago Style

Collingwood, R.G. The Idea of History. London: OUP, 1973.

Παραπομπή MLA

Collingwood, R.G. The Idea of History. OUP, 1973.