Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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