@book { TheAmericanIdentityandSelfUnderstanding,
    title = "The American Identity and Self-Understanding",
    author = "Christian {Bacher}",
    year = "2004",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638308601",
    url = "https://www.hausarbeiten.de/document/29312"
}