Cita APA (7a ed.)

Firth, C. B. (1961). From William III to Waterloo (Reference book, 6. impression.). Ginn.

Cita Chicago Style (17a ed.)

Firth, Catherine B. From William III to Waterloo. Reference book, 6. impression. London: Ginn, 1961.

Cita MLA (9a ed.)

Firth, Catherine B. From William III to Waterloo. Reference book, 6. impression. Ginn, 1961.