Cita APA (7a ed.)

Frere, S. S. (1987). Britannia: A history of Roman Britain (3rd ed., extensively rev.). Routledge & Kegan Paul.

Cita Chicago Style (17a ed.)

Frere, Sheppard Sunderland. Britannia: A History of Roman Britain. 3rd ed., extensively rev. London [etc.]: Routledge & Kegan Paul, 1987.

Cita MLA (9a ed.)

Frere, Sheppard Sunderland. Britannia: A History of Roman Britain. 3rd ed., extensively rev. Routledge & Kegan Paul, 1987.