APA (7th ed.) Citation

Merker, P. (1949). Rosa Luxemburg und Karl Liebknecht.

Chicago Style (17th ed.) Citation

Merker, Paul. Rosa Luxemburg Und Karl Liebknecht. 1949.

MLA (9th ed.) Citation

Merker, Paul. Rosa Luxemburg Und Karl Liebknecht. 1949.

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