APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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