Style de citation APA

Knop, W., & Lyttelton, O. (1939). Germany's economic situation in 1939 and her challenge to the world. Friends of Europe.

Style de citation Chicago

Knop, W.G.J, et Oliver Lyttelton. Germany's Economic Situation in 1939 and Her Challenge to the World. London: Friends of Europe, 1939.

Style de citation MLA

Knop, W.G.J, et Oliver Lyttelton. Germany's Economic Situation in 1939 and Her Challenge to the World. Friends of Europe, 1939.