APA (7th ed.) Citation

Gehl, J., & Bullock, A. (1963). Austria, Germany, and the Anschluss 1931-1938. Oxford University Press.

Chicago Style (17th ed.) Citation

Gehl, Jürgen, and Alan Bullock. Austria, Germany, and the Anschluss 1931-1938. London: Oxford University Press, 1963.

MLA (8th ed.) Citation

Gehl, Jürgen, and Alan Bullock. Austria, Germany, and the Anschluss 1931-1938. Oxford University Press, 1963.