APA (7th ed.) Citation

Schrörs, H., & Schroers, H. (1961). Was will Herbert Wehner? Custos-Verlag.

Chicago Style (17th ed.) Citation

Schrörs, Hans, and Hans Schroers. Was Will Herbert Wehner? Essen: Custos-Verlag, 1961.

MLA (8th ed.) Citation

Schrörs, Hans, and Hans Schroers. Was Will Herbert Wehner? Custos-Verlag, 1961.