Lincoln, W. B. (1978). Nicholas I: Emperor and autocrat of all the Russias. Allen Lane.
芝加哥风格引文Lincoln, W. Bruce. Nicholas I: Emperor and Autocrat of All the Russias. London: Allen Lane, 1978.
MLA引文Lincoln, W. Bruce. Nicholas I: Emperor and Autocrat of All the Russias. Allen Lane, 1978.
警告：这些引文格式不一定是100％准确.