@book { Metamorphosis,
    title = "Metamorphosis",
    subtitle = "The Dynamics of Symbolism in European Fairy Tales",
    author = "Francisco {Vaz da Silva}",
    year = "2002",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1094616"
}