Cita APA

Roskill, S. W. (1957). The war at sea 1939-1945: 1 The defensive. The war at sea 1939-1945.

Citación estilo Chicago

Roskill, Stephen Wentworth. "The War at Sea 1939-1945: 1 The Defensive." The War at Sea 1939-1945 1957.

Cita MLA

Roskill, Stephen Wentworth. "The War at Sea 1939-1945: 1 The Defensive." The War at Sea 1939-1945, 1957.