Cita APA (7a ed.)

Birley, R. (1990). The best of Hadrian's Wall. R. Birley.

Cita Chicago Style (17a ed.)

Birley, Robin. The Best of Hadrian's Wall. Greenhead, via Carlisle: R. Birley, 1990.

Cita MLA (9a ed.)

Birley, Robin. The Best of Hadrian's Wall. R. Birley, 1990.

Precaución: Estas citas no son 100% exactas.