APA
Barraclough G., . (1957). History in a changing world. Oxford: Basil Blackwell.
Chicago
Barraclough Geoffrey, . 1957. History in a changing world. Oxford: Basil Blackwell.
Harvard
Barraclough G., . (1957). History in a changing world. Oxford: Basil Blackwell.
MLA
Barraclough Geoffrey, . History in a changing world. Oxford: Basil Blackwell. 1957.
