APA (7th ed.) Citation

Collingwood, R. G. (1939). An autobiography / by R.G. Collingwood. O.U.P..

Chicago Style (17th ed.) Citation

Collingwood, R. G. An Autobiography / by R.G. Collingwood. O.U.P., 1939.

MLA (9th ed.) Citation

Collingwood, R. G. An Autobiography / by R.G. Collingwood. O.U.P., 1939.

Warning: These citations may not always be 100% accurate.