APA引文

Sheldon, S. (2013). Doomsday conspiracy. Harper Collins.

Chicago Edition Citation

Sheldon, Sidney. Doomsday Conspiracy. Uttar Pradesh: Harper Collins, 2013.

MLA引文

Sheldon, Sidney. Doomsday Conspiracy. Harper Collins, 2013.

警告：这些引文格式不一定是100％准确.