APA (7th ed.) Citation

Lützow, F. (1940). Heldenkampf zur See. Dürr'sche Buchh.

Chicago Style (17th ed.) Citation

Lützow, Friedrich. Heldenkampf Zur See. Leipzig: Dürr'sche Buchh, 1940.

MLA (9th ed.) Citation

Lützow, Friedrich. Heldenkampf Zur See. Dürr'sche Buchh, 1940.

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