APA (7th ed.) Citation

Matthias, E., & Hitler, A. (1971). The western powers in Hitler's world of ideas. German democracy and the triumph of Hitler.

Chicago Style (17th ed.) Citation

Matthias, Erich, and Adolf Hitler. "The Western Powers in Hitler's World of Ideas." German Democracy and the Triumph of Hitler 1971.

MLA (8th ed.) Citation

Matthias, Erich, and Adolf Hitler. "The Western Powers in Hitler's World of Ideas." German Democracy and the Triumph of Hitler, 1971.

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