APA (7th ed.) Citation

Spruth, H. (1961). Dr. Wilhelm Polthier +: H. Spruth. Ostdeutsche Familienkunde.

Chicago Style (17th ed.) Citation

Spruth, Herbert. "Dr. Wilhelm Polthier +: H. Spruth." Ostdeutsche Familienkunde 1961.

MLA (8th ed.) Citation

Spruth, Herbert. "Dr. Wilhelm Polthier +: H. Spruth." Ostdeutsche Familienkunde, 1961.

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