APA (7th ed.) Citation

Voelker, K. (1910). Der Protestantismus in Polen. Hinrichs.

Chicago Style (17th ed.) Citation

Voelker, Karl. Der Protestantismus in Polen. Leipzig: Hinrichs, 1910.

MLA (8th ed.) Citation

Voelker, Karl. Der Protestantismus in Polen. Hinrichs, 1910.

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