Cita APA (7th ed.)

Richmond, I. A. (1963). Roman Britain (2a. ed.). Penguin Books.

Cita Chicago (17th ed.)

Richmond, I. A. Roman Britain. 2a. ed. Londres: Penguin Books, 1963.

Cita MLA (9th ed.)

Richmond, I. A. Roman Britain. 2a. ed. Penguin Books, 1963.