Cita APA (7th ed.)

Sager, G. (1959). Ebbe und Flut. Hermann Haack.

Cita Chicago (17th ed.)

Sager, Günther. Ebbe Und Flut. Gotha: Hermann Haack, 1959.

Cita MLA (8th ed.)

Sager, Günther. Ebbe Und Flut. Hermann Haack, 1959.