Citazione Stile APA (7a Edizione)
Trager, J. The People's Chronology: A Year-by-Year Record of Human Events from Prehistory to the Present. Holt, Rinehart and Winston.
Citazione stile Chigago Style (17a edizione)
Trager, James. The People's Chronology: A Year-by-Year Record of Human Events from Prehistory to the Present. Nueva York, EUA: Holt, Rinehart and Winston.
Citatione MLA (9a ed.)
Trager, James. The People's Chronology: A Year-by-Year Record of Human Events from Prehistory to the Present. Holt, Rinehart and Winston.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.