@book { SelbstsuchtundSelbstliebe, title = "Selbstsucht und Selbstliebe", subtitle = "Selfishness and Self-Love", author = "Erich {Fromm} and Rainer {Funk}", year = "2015", publisher = "Edition Erich Fromm", address = "München, Deutschland", url = "https://books.openpublishing.com/document/311557" }