@book { SilencedVoices,
    title = "Silenced Voices",
    subtitle = "Hunagrian Plays from Transylvania",
    author = "Csilla {Bertha} and Donald E. {Morse}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    url = "https://www.peterlang.com/document/1111812"
}