APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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