APA (7th ed.) Citation

Trevor-Roper, H. R. (1955). The last days of Hitler. Pan Books.

Chicago Style (17th ed.) Citation

Trevor-Roper, Hugh R. The Last Days of Hitler. London: Pan Books, 1955.

MLA (8th ed.) Citation

Trevor-Roper, Hugh R. The Last Days of Hitler. Pan Books, 1955.

Warning: These citations may not always be 100% accurate.