@book { TheLifeofAugustine,
    title = "The Life of Augustine",
    author = "Frederick {van Fleteren}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/978-1-4539-0044-4",
    url = "https://www.peterlang.com/document/1050828"
}