Silverberg, R. (1978). Earth's other shadow. Panther.
芝加哥风格引文Silverberg, Robert. Earth's Other Shadow. St Albans, Hertfordshire: Panther, 1978.
MLA引文Silverberg, Robert. Earth's Other Shadow. Panther, 1978.
警告：这些引文格式不一定是100％准确.
APA引文