@book { DiebestenHochzeitsChecklisten,
    title = "Die besten Hochzeits-Checklisten",
    author = "Nikola {Stiefelhagen} and Friederike {Mauritz}",
    year = "2016",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403135"
}