Cita APA

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

Citación estilo Chicago

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

Cita MLA

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