Cita APA (7th ed.)

Easton, S. C. (1971). A survey of ancient, medieval and modern history. National Bookstore.

Cita Chicago (17th ed.)

Easton, Stewart Copinger. A Survey of Ancient, Medieval and Modern History. Manila: National Bookstore, 1971.

Cita MLA (9th ed.)

Easton, Stewart Copinger. A Survey of Ancient, Medieval and Modern History. National Bookstore, 1971.