@book { DiePsychologinSchwarzeSeelen,
    title = "Die Psychologin – Schwarze Seelen",
    subtitle = "Thriller - Ein Fall für Dr. Stone - Band 4",
    author = "Anna {Salter} and Thomas {Stegers}",
    year = "2021",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/1001232"
}