@book { PersonaZurEthikdesPanaitios,
    title = "Persona. Zur Ethik des Panaitios",
    author = "Annekatrin {Puhle}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1075150"
}