APA (7th ed.) Citation

Riediger, H., & Thies, W. (1950). Die Halligen.

Chicago Style (17th ed.) Citation

Riediger, Hans, and Wilhelm Thies. Die Halligen. Hamburg, 1950.

MLA (9th ed.) Citation

Riediger, Hans, and Wilhelm Thies. Die Halligen. 1950.

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