Cita APA (7a ed.)

Firth, C. B. (1949). History (Second series, revised edition, 1. publ., 5. impression.). Ginn.

Cita Chicago Style (17a ed.)

Firth, Catherine B. History. Second series, revised edition, 1. publ., 5. impression. London: Ginn, 1949.

Cita MLA (9a ed.)

Firth, Catherine B. History. Second series, revised edition, 1. publ., 5. impression. Ginn, 1949.