@book { TheirHighestVocation,
    title = "Their Highest Vocation",
    subtitle = "Social Justice and the Millennial Generation",
    author = "Helen {Fox}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1143805"
}