APA (7th ed.) Citation

Neumann, A., & Wydenbruck, N. (1940). The friends of the people. Hutchinson.

Chicago Style (17th ed.) Citation

Neumann, Alfred, and Nora Wydenbruck. The Friends of the People. London: Hutchinson, 1940.

MLA (8th ed.) Citation

Neumann, Alfred, and Nora Wydenbruck. The Friends of the People. Hutchinson, 1940.