Cita APA (7a ed.)

Ziegler, B., & Heyen, A. (2012). Coastal retreat at the northern Baltic Sea between Flensburg and Travemünde. PANGAEA.

Cita Chicago Style (17a ed.)

Ziegler, Bernd, y Alexander Heyen. Coastal Retreat at the Northern Baltic Sea Between Flensburg and Travemünde. PANGAEA, 2012.

Cita MLA (9a ed.)

Ziegler, Bernd, y Alexander Heyen. Coastal Retreat at the Northern Baltic Sea Between Flensburg and Travemünde. PANGAEA, 2012.