@misc{the+history+of+the+decline+amp+fall+of+the+roman+empire+vol+4,
    author = {Gibbon, Edward},
    title = {The history of the decline & fall of the Roman Empire. Vol. 4},
    address = {London i Edinburgh i Glasgow i New York i Toronto i Melbourne i Bombay},
    publisher = {Humphrey Milford i Oxford University Press},
    date = {1914}
}