Douglas, W. O. (1956). Russian journey. Doubleday.
芝加哥风格引文Douglas, William Orville. Russian Journey. Garden City, N. Y: Doubleday, 1956.
MLA引文Douglas, William Orville. Russian Journey. Doubleday, 1956.
警告：这些引文格式不一定是100％准确.
APA引文