APA (7th ed.) Citation

Protzner, W. (1973). Umstrittene "Ostkunde". Baumann.

Chicago Style (17th ed.) Citation

Protzner, Wolfgang. Umstrittene "Ostkunde". Kulmbach: Baumann, 1973.

MLA (9th ed.) Citation

Protzner, Wolfgang. Umstrittene "Ostkunde". Baumann, 1973.

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