APA (7th ed.) Citation

Ginschel, E., & Lüdtke, F. (1927). Ostmark: Mittlere Ostmark, Grenzmark, Posen-Westpreussen. Dari-Verl.

Chicago Style (17th ed.) Citation

Ginschel, Emanuel, and Franz Lüdtke. Ostmark: Mittlere Ostmark, Grenzmark, Posen-Westpreussen. Berlin-Halensee: Dari-Verl, 1927.

MLA (9th ed.) Citation

Ginschel, Emanuel, and Franz Lüdtke. Ostmark: Mittlere Ostmark, Grenzmark, Posen-Westpreussen. Dari-Verl, 1927.

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