@book { LiebesnchteaufIbiza,
    title = "Liebesnächte auf Ibiza",
    author = "Stefanie {Müller} and Holly {Stevens}",
    year = "2020",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/994421"
}