@book { FruleinKellersKriminalflleKeinMordausEifersucht,
    title = "Fräulein Kellers Kriminalfälle – Kein Mord aus Eifersucht",
    author = "Tomos {Forrest} and Thomas {Ostwald}",
    year = "2023",
    publisher = "Bärenklau Exklusiv",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1367308"
}