@incollection{Balanchine.1977,
 author = {Balanchine, George},
 title = {Sie tanzen, vielleicht aus Freude am Tanzen},
 publisher = {Henschelverlag},
 editor = {Wolgina, Lydia and Pietzsch, Ulrich},
 booktitle = {Die Welt des Tanzes in Selbstzeugnissen : 20. Jahrhundert},
 year = {1977},
 address = {Berlin}
}