APA (7th ed.) Citation

Helm, R. (1937). Warum Reichsnährstand? Herbert Stubenrauch.

Chicago Style (17th ed.) Citation

Helm, Rolf. Warum Reichsnährstand? Berlin: Herbert Stubenrauch, 1937.

MLA (8th ed.) Citation

Helm, Rolf. Warum Reichsnährstand? Herbert Stubenrauch, 1937.

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