@book { PracticalWisdom,
    title = "Practical Wisdom",
    subtitle = "On Theological Teaching and Learning",
    author = "Malcolm {Warford}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1100299"
}