@book { KonversionzumIslamim21Jahrhundert,
    title = "Konversion zum Islam im 21. Jahrhundert",
    author = "Caroline {Neumüller}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04014-2",
    url = "https://www.peterlang.com/document/1048243"
}