Velikvsky, I. (1950). World in collision. Doubleday.
芝加哥风格引文Velikvsky, Immanuel. World in Collision. New York: Doubleday, 1950.
MLA引文Velikvsky, Immanuel. World in Collision. Doubleday, 1950.
警告：这些引文格式不一定是100％准确.
APA引文
Velikvsky, I. (1950). World in collision. Doubleday.
芝加哥风格引文Velikvsky, Immanuel. World in Collision. New York: Doubleday, 1950.
MLA引文Velikvsky, Immanuel. World in Collision. Doubleday, 1950.