BibTeX-Format:
@incollection{ title = {{M}ehrsprachigkeit von {G}eburt an: {V}orteile, {S}chwierigkeiten und {W}ege dahin}, booktitle = {{H}andbuch {F}r��he {K}indheit}, editor = {R��hner, Charlotte, S��nker, Heinz}, author = {M��ller, Natascha, Schmitz, Katrin}, publisher = {Budrich}, year = {2014}, typ = {incollection}, pages = {199-214}}