APA (7th ed.) Citation

Berger, S., & Laporte, N. (2010). Friendly enemies: Britain and the GDR, 1949-1990. Berghahn Books.

Chicago Style (17th ed.) Citation

Berger, Stefan, and Norman Laporte. Friendly Enemies: Britain and the GDR, 1949-1990. New York: Berghahn Books, 2010.

MLA (9th ed.) Citation

Berger, Stefan, and Norman Laporte. Friendly Enemies: Britain and the GDR, 1949-1990. Berghahn Books, 2010.