APA (7th ed.) Citation

Ludz, P. C. (1977). Der IX. Parteitag der SED.

Chicago Style (17th ed.) Citation

Ludz, Peter Christian. Der IX. Parteitag Der SED. 1977.

MLA (9th ed.) Citation

Ludz, Peter Christian. Der IX. Parteitag Der SED. 1977.

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