APA (7th ed.) Citation

Gilbert, A. (1990). Britain invaded: Hitler's plans for Britain : a documentary reconstruction. Century.

Chicago Style (17th ed.) Citation

Gilbert, Adrian. Britain Invaded: Hitler's Plans for Britain : A Documentary Reconstruction. London: Century, 1990.

MLA (8th ed.) Citation

Gilbert, Adrian. Britain Invaded: Hitler's Plans for Britain : A Documentary Reconstruction. Century, 1990.