APA (7th ed.) Citation

Obst, E. (1950). Geopolitik. Paul Schlösser Verlag.

Chicago Style (17th ed.) Citation

Obst, Erich. Geopolitik. Braunschweig: Paul Schlösser Verlag, 1950.

MLA (9th ed.) Citation

Obst, Erich. Geopolitik. Paul Schlösser Verlag, 1950.

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