Cita APA (7a ed.)

Society for Visual Education & Erdoes, R. (1984). Chronology of the world: 400-1000 A.D. Society for Visual Education, Inc.

Cita Chicago Style (17a ed.)

Society for Visual Education y Richard Erdoes. Chronology of the World: 400-1000 A.D. Chicago: Society for Visual Education, Inc, 1984.

Cita MLA (9a ed.)

Society for Visual Education y Richard Erdoes. Chronology of the World: 400-1000 A.D. Society for Visual Education, Inc, 1984.