Cita APA (7a ed.)

Ashley, R. L. (1922). Early European civilization: A textbook for secondary schools. Macmillan.

Cita Chicago Style (17a ed.)

Ashley, Roscoe Lewis. Early European Civilization: A Textbook for Secondary Schools. New York: Macmillan, 1922.

Cita MLA (9a ed.)

Ashley, Roscoe Lewis. Early European Civilization: A Textbook for Secondary Schools. Macmillan, 1922.