APA (7th ed.) Citation

Zettler, H. M. (1991). Gebrüder Haeckel Sport in Berlin 1910 - 1914. Nishen.

Chicago Style (17th ed.) Citation

Zettler, Hela Mitarb. Gebrüder Haeckel Sport in Berlin 1910 - 1914. Berlin: Nishen, 1991.

MLA (8th ed.) Citation

Zettler, Hela Mitarb. Gebrüder Haeckel Sport in Berlin 1910 - 1914. Nishen, 1991.