Cita APA (7a ed.)

Titterton, A. F., & Weissenborn, H. (1965). English castles (7. impression.). Ginn.

Cita Chicago Style (17a ed.)

Titterton, A. F., y H. Weissenborn. English Castles. 7. impression. London: Ginn, 1965.

Cita MLA (9a ed.)

Titterton, A. F., y H. Weissenborn. English Castles. 7. impression. Ginn, 1965.