Cita APA (7th ed.)

Obolensky, D. (1974). The byzantine commonwealth: Eastern Europe 500-1453. Cardinal.

Cita Chicago (17th ed.)

Obolensky, Dimitri. The Byzantine Commonwealth: Eastern Europe 500-1453. Londres: Cardinal, 1974.

Cita MLA (9th ed.)

Obolensky, Dimitri. The Byzantine Commonwealth: Eastern Europe 500-1453. Cardinal, 1974.