Barraclough, G. (1967). An introduction to contemporary history. Penguin Books.
Chicago Style (17th ed.) CitationBarraclough, Geoffrey. An Introduction to Contemporary History. Middlessex: Penguin Books, 1967.
MLA (9th ed.) CitationBarraclough, Geoffrey. An Introduction to Contemporary History. Penguin Books, 1967.
Warning: These citations may not always be 100% accurate.