@book { KurzeGeschichtederPsychologieundPsychotherapie17832020,
    title = "Kurze Geschichte der Psychologie und Psychotherapie (1783–2020)",
    author = "Wolfgang {Schönpflug}",
    year = "2022",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b19086",
    url = "https://www.peterlang.com/document/1174242"
}