Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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