Cita APA (7th ed.)
Steenbeek, W., & Pitt, B. Rotterdam: Invasion of Holland. Ballantine Books.
Cita Chicago (17th ed.)
Steenbeek, Wilhelmina, i Barrie Pitt. Rotterdam: Invasion of Holland. Nueva York, EUA: Ballantine Books.
Cita MLA (9th ed.)
Steenbeek, Wilhelmina, i Barrie Pitt. Rotterdam: Invasion of Holland. Ballantine Books.
Atenció: Aquestes cites poden no estar 100% correctes.