APA (7th ed.) Citation

Singer, K. (1943). Duel for the Northland: The war of enemy agents in Scandinavia (1. ed.). McBride.

Chicago Style (17th ed.) Citation

Singer, Kurt. Duel for the Northland: The War of Enemy Agents in Scandinavia. 1. ed. New York: McBride, 1943.

MLA (9th ed.) Citation

Singer, Kurt. Duel for the Northland: The War of Enemy Agents in Scandinavia. 1. ed. McBride, 1943.

Warning: These citations may not always be 100% accurate.