Cita APA (7th ed.)

Barraclough, G. (1955). History in a changing world: Geoffrey Barraclough. Blackwell.

Cita Chicago (17th ed.)

Barraclough, Geoffrey. History in a Changing World: Geoffrey Barraclough. Oxford: Blackwell, 1955.

Cita MLA (8th ed.)

Barraclough, Geoffrey. History in a Changing World: Geoffrey Barraclough. Blackwell, 1955.