APA (7th ed.) Citation

Obst, E. (1929). Oberschlesien (Sonderabdr.). Vowinckel.

Chicago Style (17th ed.) Citation

Obst, Erich. Oberschlesien. Sonderabdr. Berlin: Vowinckel, 1929.

MLA (9th ed.) Citation

Obst, Erich. Oberschlesien. Sonderabdr. Vowinckel, 1929.

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