एपीए उद्धरण

Johnson,Peter. (2016). collingwood's Idea of history. Bloooms bury.

शिकागो स्टाइल उद्धरण

Johnson,Peter. Collingwood's Idea of History. ND: Bloooms bury, 2016.

एमएलए उद्धरण

Johnson,Peter. Collingwood's Idea of History. Bloooms bury, 2016.