@book { DiepassendeAnekdotezujedemAnlass, title = "Die passende Anekdote zu jedem Anlass", subtitle = "Witzig und geistreich. Für Reden, Small Talk und vieles mehr", author = "Roland {Leonhardt}", year = "2012", publisher = "humboldt", address = "Hannover, Deutschland", url = "https://schluetersche.openpublishing.com/document/403150" }