Pitt-Rivers, G. H. L. F. (1966). The riddle of the "Labarum" and the origin of Christian symbols. Allen & Unwin.
Cita Chicago Style (17a ed.)Pitt-Rivers, George Henry Lane Fox. The Riddle of the "Labarum" and the Origin of Christian Symbols. London: Allen & Unwin, 1966.
Cita MLA (8a ed.)Pitt-Rivers, George Henry Lane Fox. The Riddle of the "Labarum" and the Origin of Christian Symbols. Allen & Unwin, 1966.
Precaución: Estas citas no son 100% exactas.