Cita APA (7th ed.)

Society for Visual Education & Erdoes, R. (1984). Chronology of the western world, 400-1000 A.D. The Society [production company].

Cita Chicago (17th ed.)

Society for Visual Education i Richard Erdoes. Chronology of the Western World, 400-1000 A.D. Chicago, Ill: The Society [production company], 1984.

Cita MLA (9th ed.)

Society for Visual Education i Richard Erdoes. Chronology of the Western World, 400-1000 A.D. The Society [production company], 1984.