APA (7th ed.) Citation

Hagen, G., & Staack, C. (1935). Das Meer, das deutsche Meer. Simon.

Chicago Style (17th ed.) Citation

Hagen, Günther, and Carl Staack. Das Meer, Das Deutsche Meer. Berlin: Simon, 1935.

MLA (9th ed.) Citation

Hagen, Günther, and Carl Staack. Das Meer, Das Deutsche Meer. Simon, 1935.

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