Die sociale Frage (3.Aufl.). Herder Verlag.
Chicago Style (17th ed.) CitationDie Sociale Frage. 3.Aufl. Freiburg: Herder Verlag.
MLA (8th ed.) CitationDie Sociale Frage. 3.Aufl. Herder Verlag.
Warning: These citations may not always be 100% accurate.