Cita APA (7a ed.)

McEvedy, C., & McEvedy, S. (1972). The dark ages. Hart-Davis.

Cita Chicago Style (17a ed.)

McEvedy, Colin, y Sarah McEvedy. The Dark Ages. London: Hart-Davis, 1972.

Cita MLA (9a ed.)

McEvedy, Colin, y Sarah McEvedy. The Dark Ages. Hart-Davis, 1972.