Cita APA (7th ed.)

Butler, M. A. The neutrals, 1933-1940: The United States, the Oslo Nations and the response to Hitler. University Microfilms International.

Cita Chicago (17th ed.)

Butler, Michael Anthony. The Neutrals, 1933-1940: The United States, the Oslo Nations and the Response to Hitler. Ann Arbor, Michigan: University Microfilms International.

Cita MLA (8th ed.)

Butler, Michael Anthony. The Neutrals, 1933-1940: The United States, the Oslo Nations and the Response to Hitler. University Microfilms International.