Ure, P. N. (1951). Justinian and his age. Penguin Books.
芝加哥风格引文Ure, P. N. Justinian and His Age. Middlesex: Penguin Books, 1951.
MLA引文Ure, P. N. Justinian and His Age. Penguin Books, 1951.
警告：这些引文格式不一定是100％准确.
APA引文
Ure, P. N. (1951). Justinian and his age. Penguin Books.
芝加哥风格引文Ure, P. N. Justinian and His Age. Middlesex: Penguin Books, 1951.
MLA引文Ure, P. N. Justinian and His Age. Penguin Books, 1951.