APA (7th ed.) Citation

(1932). Schriften zur Geopolitik. Vowinckel.

Chicago Style (17th ed.) Citation

Schriften Zur Geopolitik. Heidelberg: Vowinckel, 1932.

MLA (8th ed.) Citation

Schriften Zur Geopolitik. Vowinckel, 1932.

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