Citazione Stile APA (7a Edizione)

Collingwood, R. G. (1946). The idea of history. Oxford University.

Citazione stile Chigago Style (17a edizione)

Collingwood, Robin George. The Idea of History. Londres: Oxford University, 1946.

Citatione MLA (9a ed.)

Collingwood, Robin George. The Idea of History. Oxford University, 1946.