Cita APA

Barraclough, G. 1. (1967). An introduction to contemporary history. Middlessex: Penguin Books.

Citación estilo Chicago

Barraclough, Geoffrey 1908-1984. An Introduction to Contemporary History. Middlessex: Penguin Books, 1967.

Cita MLA

Barraclough, Geoffrey 1908-1984. An Introduction to Contemporary History. Middlessex: Penguin Books, 1967.

Precaución: Estas citas no son 100% exactas.