APA
Collingwood R. G., . (1970). An autobiography. London: Oxford University Press.
Chicago
Collingwood R G, . 1970. An autobiography. London: Oxford University Press.
Harvard
Collingwood R. G., . (1970). An autobiography. London: Oxford University Press.
MLA
Collingwood R G, . An autobiography. London: Oxford University Press. 1970.
