APA引文

(2013). GUNS, GERMS,AND STEEL. NGHT LLC. PROGRAM.

芝加哥风格引文

GUNS, GERMS,AND STEEL. INDIA: NGHT LLC. PROGRAM, 2013.

MLA引文

GUNS, GERMS,AND STEEL. NGHT LLC. PROGRAM, 2013.

警告：这些引文格式不一定是100％准确.