@book { BonaventurasNachtwachen,
    title = "Bonaventura's «Nachtwachen»",
    author = "Kathy {Brzovic}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1078727"
}