APA

Ure P. N., . (1951). Justinian and his age. : .

Chicago

Ure Percy Neville, . 1951. Justinian and his age. : .

Harvard

Ure P. N., . (1951). Justinian and his age. : .

MLA

Ure Percy Neville, . Justinian and his age. : . 1951.