Cita APA

Rüger, J. (2017). Heligoland: Britain, Germany, and the struggle for the North Sea. Oxford University Press.

Citación estilo Chicago

Rüger, Jan. Heligoland: Britain, Germany, and the Struggle for the North Sea. Oxford: Oxford University Press, 2017.

Cita MLA

Rüger, Jan. Heligoland: Britain, Germany, and the Struggle for the North Sea. Oxford University Press, 2017.