Citazione Stile APA (7a Edizione)

Barraclough, G. (1955). History in a changing world. University of Oklahoma Press.

Citazione stile Chigago Style (17a edizione)

Barraclough, Geoffrey. History in a Changing World. Norman: University of Oklahoma Press, 1955.

Citatione MLA (8a ed.)

Barraclough, Geoffrey. History in a Changing World. University of Oklahoma Press, 1955.