@book { ClassicsinNorthernEuropeanChurchHistoryover500Years,
    title = "Classics in Northern European Church History over 500 Years",
    author = "David {Gudmundsson} and Alexander {Maurits} and Martin {Nykvist}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b11003",
    url = "https://www.peterlang.com/document/1109964"
}