Cita APA (7a ed.)

Voigt, K., & Lipgens, W. (1984). Continental Plans for Eurpean Union 1939 - 1945: Ideas of the Italian Resistance. Walter de Gruyter.

Cita Chicago Style (17a ed.)

Voigt, Klaus, y Walter Lipgens. Continental Plans for Eurpean Union 1939 - 1945: Ideas of the Italian Resistance. Berlin; New York: Walter de Gruyter, 1984.

Cita MLA (8a ed.)

Voigt, Klaus, y Walter Lipgens. Continental Plans for Eurpean Union 1939 - 1945: Ideas of the Italian Resistance. Walter de Gruyter, 1984.