Cita APA (7a ed.)
Richmond, I. A. (1955). Roman Britain. Penguin Books.
Cita Chicago Style (17a ed.)
Richmond, I. A. Roman Britain. Harmondsworth, Middlesex, U.K.: Penguin Books, 1955.
Cita MLA (9a ed.)
Richmond, I. A. Roman Britain. Penguin Books, 1955.
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