@book { TheLifeofPrayeronMountAthos,
    title = "The Life of Prayer on Mount Athos",
    author = "Douglas {Dales} and Graham {Speake}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    url = "https://www.peterlang.com/document/1058441"
}