@book { TheologyinConflictReadingsinAfrikanerTheology,
    title = "Theology in Conflict – Readings in Afrikaner Theology",
    subtitle = "The Theologies of F.J.M. Potgieter and B.J. Marais",
    author = "Hans {Engdahl}",
    year = "2006",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101362"
}