APA (7th ed.) Citation

Spector. (2002). At war, at sea: Sailors and naval combat in the twentieth century. Penguin Books.

Chicago Style (17th ed.) Citation

Spector. At War, at Sea: Sailors and Naval Combat in the Twentieth Century. London: Penguin Books, 2002.

MLA (8th ed.) Citation

Spector. At War, at Sea: Sailors and Naval Combat in the Twentieth Century. Penguin Books, 2002.