APA-viite

Trevelyan, G. M. (1964). Illustrated English Social History. Penguin Books.

Chicago-tyylinen lähdeviittaus

Trevelyan, George Macaulay. Illustrated English Social History. England: Penguin Books, 1964.

MLA-viite

Trevelyan, George Macaulay. Illustrated English Social History. Penguin Books, 1964.