APA Style

Roskill, S, W. (1954). The War at Sea 1939 - 1945 : Volume I : The Defensive / S. W. Roskill (1). London: Her Majesty\'s Stationery Office.

MLA Style

Roskill, S., W.. "The War at Sea 1939 - 1945 : Volume I : The Defensive / S. W. Roskill". 1 London: Her Majesty\'s Stationery Office, 1954. Text.