Cita APA (7a ed.)
National Geographic Society. Vibrant Pageant of Life in Greek an Roman Times. National Geographic Society.
Cita estilo Chicago (17a ed.)
National Geographic Society. Vibrant Pageant of Life in Greek an Roman Times. EUA: National Geographic Society.
Cita MLA (9a ed.)
National Geographic Society. Vibrant Pageant of Life in Greek an Roman Times. National Geographic Society.
Precaución: Estas citas no son 100% exactas.