APA (7th ed.) Citation

Isenburg, W. K. z. (1940). Historische Genealogie. Oldenbourg.

Chicago Style (17th ed.) Citation

Isenburg, Wilhelm Karl zu. Historische Genealogie. München [u.a.]: Oldenbourg, 1940.

MLA (9th ed.) Citation

Isenburg, Wilhelm Karl zu. Historische Genealogie. Oldenbourg, 1940.

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