Bibtex export
@book{ Tönnies1929, title = {Soziologische Studien und Kritiken: dritte Sammlung}, author = {Tönnies, Ferdinand}, year = {1929}, pages = {475}, address = {Jena}, publisher = {G. Fischer}, urn = {https://nbn-resolving.org/urn:nbn:de:0168-ssoar-50804-9}, }