APA-viite (7. p.)

Voigt, K., & Lipgens, W. (1986). Plans for European Union in Great Britain and in Exile 1939 - 1945: Ideas of German Exiles on the Postwar Order in Europe. Walter de Gruyter.

Chicago-viite (17. p.)

Voigt, Klaus, ja Walter Lipgens. Plans for European Union in Great Britain and in Exile 1939 - 1945: Ideas of German Exiles on the Postwar Order in Europe. Berlin; New York: Walter de Gruyter, 1986.

MLA-viite (8. p.)

Voigt, Klaus, ja Walter Lipgens. Plans for European Union in Great Britain and in Exile 1939 - 1945: Ideas of German Exiles on the Postwar Order in Europe. Walter de Gruyter, 1986.