Cita APA

Debock, P., & Ponsonby, C. (1939). Holland, Nazi Germany and Great Britain. Friends of Europe.

Citación estilo Chicago

Debock, Philip, y C.E Ponsonby. Holland, Nazi Germany and Great Britain. London: Friends of Europe, 1939.

Cita MLA

Debock, Philip, y C.E Ponsonby. Holland, Nazi Germany and Great Britain. Friends of Europe, 1939.