@book { ErziehungsproblemeinderAdoleszenz,
    title = "Erziehungsprobleme in der Adoleszenz",
    author = "Regina {Weinstabl}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093616"
}